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PROTOTool Only Sets

PROTO Master Tool Set: 1,398 Total Pcs, Metric/SAE

The PROTO Master Tool Set (SKU 418RJ9, MPN JCS-1300MASBX1A) is a tool-only set comprising 1,398 total pieces in Metric/SAE sizes with 1/2 in, 1/4 in, 3/4 in, and 3/8 in socket drive sizes. Included components are (1)…

SKU 3G-OTH-267249

Brand
PROTO
Item
Master Tool Set: 1,398 Total Pcs, Metric/SAE
Category
Tool Only Sets
Available to Order
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Technical Specifications

PROTO
Manufacturer Part Number
JCS-1300MASBX1A
Type
Metric/SAE, 1/2 in/1/4 in/3/4 in/3/8 in Socket Drive Size
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PROTO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PROTO Master Tool Set (SKU 418RJ9, MPN JCS-1300MASBX1A) is a tool-only set comprising 1,398 total pieces in Metric/SAE sizes with 1/2 in, 1/4 in, 3/4 in, and 3/8 in socket drive sizes. Included components are (1) Duck Bill Plier, (19) Nut Drivers, (1) Drag Link Socket, and (6) Double Box Wrenches.

Frequently Asked Questions

What is the PROTO Master Tool Set used for?

The PROTO Master Tool Set is used for industrial maintenance, repair, and assembly across automotive, aerospace, and heavy equipment sectors. Its 1,398 pieces in Metric/SAE sizes with 1/2 in, 1/4 in, 3/4 in, and 3/8 in socket drives cover fastening, wrenching, and plier tasks.

What are the specifications of the PROTO Master Tool Set?

The PROTO Master Tool Set (MPN JCS-1300MASBX1A) includes 1,398 total pieces in Metric/SAE sizes with 1/2 in, 1/4 in, 3/4 in, and 3/8 in socket drive sizes. It contains (1) Duck Bill Plier, (19) Nut Drivers, (1) Drag Link Socket, and (6) Double Box Wrenches.

Where to buy the PROTO Master Tool Set worldwide?

3G Electric supplies the PROTO Master Tool Set worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this 1,398-piece set.

How to select the right PROTO Master Tool Set for my shop?

Select the PROTO Master Tool Set if your shop requires both Metric and SAE sizes across multiple socket drive sizes (1/2 in, 1/4 in, 3/4 in, 3/8 in). The included Duck Bill Plier, Nut Drivers, Drag Link Socket, and Double Box Wrenches suit general maintenance and repair tasks.

Used in

Common applications for PROTO
Automotive assembly — PROTO J72102 impact socket set for fastening lug nuts on production lines
Heavy equipment maintenance — PROTO J3772T flare nut wrench for hydraulic line fittings on excavators
General industrial repair — PROTO J795SA adjustable wrench set for tightening bolts on conveyor systems
Aerospace manufacturing — PROTO J5240A slotted bit socket for adjusting fasteners in confined spaces
Oil and gas pipeline work — PROTO J5438 12-point socket for valve assembly in refineries
Construction site toolkits — PROTO J8179-T500 double box wrench for structural steel bolting

PROTO Products

3G Electric supplies PROTO tool only sets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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PROTO Master Tool Set: 1,011 Total Pcs, Metric/SAE, 1/2 in/1/4 in/3/4 in/3/8 in Socket Drive Size (MPN JCS-0900MASBX1A). Key specifications — attr538253: PROTO; attr548973: (1) Bent Nose Plier; attr548974: (1) Impact Screw Extractor; attr548975: (310) Sockets; attr548983: (6) Double Box Wrenches.
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PROTO Master Tool Set: 1,184 Total Pcs, Metric/SAE, 1/2 in/1/4 in/3/4 in/3/8 in Socket Drive Size (MPN JCS-1100MASBX1A). Key specifications — attr538253: PROTO; attr548973: (1) Electrician's Plier; attr548974: (2) Screw Starters; attr548975: (21) Hex Keys; attr548983: (12) Flare Nut Wrenches.
PROTO Master Set: 246 Total Pcs, Metric/SAE, 1/4 in/3/8 in Socket Drive Size (MPN JCS-MAS-1A). Key specifications — attr538253: PROTO; attr548973: (1) Needle Nose Plier; attr548974: (5) Cabinet Screwdrivers; attr548975: (38) Bit Sockets; attr548983: (3) Adjustable Wrenches.
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PROTO Master Set: 246 Total Pcs, Metric/SAE, 1/4 in/3/8 in Socket Drive Size (MPN JCS-MAS-1A). Key specifications — attr538253: PROTO; attr548973: (1) Needle Nose Plier; attr548974: (5) Cabinet Screwdrivers; attr548975: (38) Bit Sockets; attr548983: (3) Adjustable Wrenches.
PROTO Master Set: 1,184 Total Pcs, Metric/SAE, 1/2 in/1/4 in/3/4 in/3/8 in Socket Drive Size (MPN JCS-1100MAS). Key specifications — attr538253: PROTO; attr548973: (1) Electrician's Plier; attr548974: (6) Mini Screwdrivers; attr548975: (108) Impact Sockets; attr548983: (7) Flex Combo Wrenches.
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PROTO Master Set: 1,184 Total Pcs, Metric/SAE, 1/2 in/1/4 in/3/4 in/3/8 in Socket Drive Size (MPN JCS-1100MAS). Key specifications — attr538253: PROTO; attr548973: (1) Electrician's Plier; attr548974: (6) Mini Screwdrivers; attr548975: (108) Impact Sockets; attr548983: (7) Flex Combo Wrenches.
PROTO Master Set: 1,011 Total Pcs, Metric/SAE, 1/2 in/1/4 in/3/4 in/3/8 in Socket Drive Size (MPN JCS-0900MAS). Key specifications — attr538253: PROTO; attr548973: (1) Bent Nose Plier; attr548974: (6) Keystone Screwdrivers; attr548975: (108) Impact Sockets; attr548983: (7) Flex Combo Wrenches.
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PROTO Master Set: 1,011 Total Pcs, Metric/SAE, 1/2 in/1/4 in/3/4 in/3/8 in Socket Drive Size (MPN JCS-0900MAS). Key specifications — attr538253: PROTO; attr548973: (1) Bent Nose Plier; attr548974: (6) Keystone Screwdrivers; attr548975: (108) Impact Sockets; attr548983: (7) Flex Combo Wrenches.
PROTO Master Set: 649 Total Pcs, Metric/SAE, 1/2 in/1/4 in/3/8 in Socket Drive Size (MPN JCS-0600MAS). Key specifications — attr538253: PROTO; attr548973: (1) Electrician's Plier; attr548974: (5) Cabinet Screwdrivers; attr548975: (31) Drive Tools; attr548983: (33) Combination Wrenches.
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PROTO Master Set: 649 Total Pcs, Metric/SAE, 1/2 in/1/4 in/3/8 in Socket Drive Size (MPN JCS-0600MAS). Key specifications — attr538253: PROTO; attr548973: (1) Electrician's Plier; attr548974: (5) Cabinet Screwdrivers; attr548975: (31) Drive Tools; attr548983: (33) Combination Wrenches.

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PROTO Master Tool Set: 649 Total Pcs, Metric/SAE, 1/2 in/1/4 in/3/8 in Socket Drive Size (MPN JCS-0600MASBX1A). Key specifications — attr538253: PROTO; attr548973: (3) Groove Joint Pliers; attr548974: (1) Ratcheting Screwdriver; attr548975: (1) Drag Link Socket; attr548983: (3) Pipe Wrenches.
PROTO Master Set: 215 Total Pcs, Metric/SAE, 1/2 in/3/8 in Socket Drive Size (MPN JCS-MAS-3A). Key specifications — attr538253: PROTO; attr548975: (98) Impact Sockets; attr548983: (10) Ratcheting Double Box Wrenches.
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PROTO Master Set: 215 Total Pcs, Metric/SAE, 1/2 in/3/8 in Socket Drive Size (MPN JCS-MAS-3A). Key specifications — attr538253: PROTO; attr548975: (98) Impact Sockets; attr548983: (10) Ratcheting Double Box Wrenches.
PROTO Master Tool Set: 453 Total Pcs, SAE, 1/4 in/3/8 in/1/2 in/3/4 in Socket Drive Size (MPN J99720). Key specifications — attr538253: PROTO; attr548973: (12) Retaining-Ring Pliers; attr548974: (2) Screw Starters; attr548975: (31) Socket Bits; attr548983: (28) Open End Wrenches.
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PROTO Master Tool Set: 453 Total Pcs, SAE, 1/4 in/3/8 in/1/2 in/3/4 in Socket Drive Size (MPN J99720). Key specifications — attr538253: PROTO; attr548973: (12) Retaining-Ring Pliers; attr548974: (2) Screw Starters; attr548975: (31) Socket Bits; attr548983: (28) Open End Wrenches.
PROTO Master Tool Set: 164 Total Pcs, SAE, 1/4 in/3/8 in/1/2 in/3/4 in Socket Drive Size (MPN J99700). Key specifications — attr538253: PROTO; attr548973: (2) Groove Pliers; attr548974: (6) Phillips Screwdrivers; attr548975: (63) Sockets; attr548983: (16) Combination Wrenches.
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PROTO Master Tool Set: 164 Total Pcs, SAE, 1/4 in/3/8 in/1/2 in/3/4 in Socket Drive Size (MPN J99700). Key specifications — attr538253: PROTO; attr548973: (2) Groove Pliers; attr548974: (6) Phillips Screwdrivers; attr548975: (63) Sockets; attr548983: (16) Combination Wrenches.
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PROTO Master Tool Set: 206 Total Pcs, Metric/SAE, 1/2 in/3/4 in Socket Drive Size (MPN J99945). Key specifications — attr538253: PROTO; attr548973: (1) Specialty Pliers; attr548974: (1) Screw Starter; attr548975: (28) Socket Bits; attr548983: (8) Specialty Wrenches.
PROTO Facility Maintenance Tool Set: 98 Total Pcs, Metric/SAE, 3/8 in Socket Drive Size (MPN J99480). Key specifications — attr538253: PROTO; attr548973: Lineman's Pliers; attr548974: (6) Phillips Screwdrivers; attr548975: (1) Drive Tool; attr548983: (15) Combination Wrenches.
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PROTO Facility Maintenance Tool Set: 98 Total Pcs, Metric/SAE, 3/8 in Socket Drive Size (MPN J99480). Key specifications — attr538253: PROTO; attr548973: Lineman's Pliers; attr548974: (6) Phillips Screwdrivers; attr548975: (1) Drive Tool; attr548983: (15) Combination Wrenches.
PROTO Master Set: 1,398 Total Pcs, Metric/SAE, 1/2 in/1/4 in/3/4 in/3/8 in Socket Drive Size (MPN JCS-1300MAS). Key specifications — attr538253: PROTO; attr548973: (2) Needle Nose Pliers; attr548974: (19) Nut Drivers; attr548975: (14) Torx Bit Sockets; attr548983: (7) Flex Combo Wrenches.
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PROTO Master Set: 1,398 Total Pcs, Metric/SAE, 1/2 in/1/4 in/3/4 in/3/8 in Socket Drive Size (MPN JCS-1300MAS). Key specifications — attr538253: PROTO; attr548973: (2) Needle Nose Pliers; attr548974: (19) Nut Drivers; attr548975: (14) Torx Bit Sockets; attr548983: (7) Flex Combo Wrenches.
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PROTO Master Tool Set: 739 Total Pcs, Metric/SAE, 1/2 in/1/4 in/3/4 in/3/8 in Socket Drive Size (MPN JCS-0700MASBX1A). Key specifications — attr538253: PROTO; attr548973: (3) Groove Joint Pliers; attr548974: (8) Phillips Screwdrivers; attr548975: (1) Drag Link Socket; attr548983: (37) Combination Wrenches.