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PROTO Master Set: 649 Total Pcs, Metric/SAE - Tool Only Sets
PROTOTool Only Sets

PROTO Master Set: 649 Total Pcs, Metric/SAE

The PROTO Master Set: 649 Total Pcs (SKU 409JX9, MPN JCS-0600MAS) is a comprehensive tool-only set from PROTO. It includes 649 pieces covering Metric/SAE sizes with 1/2 in, 1/4 in, and 3/8 in socket drive sizes. The…

SKU 3G-OTH-267204

Brand
PROTO
Item
Master Set: 649 Total Pcs, Metric/SAE
Category
Tool Only Sets
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Technical Specifications

PROTO
Manufacturer Part Number
JCS-0600MAS
Type
Metric/SAE, 1/2 in/1/4 in/3/8 in Socket Drive Size
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PROTO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PROTO Master Set: 649 Total Pcs (SKU 409JX9, MPN JCS-0600MAS) is a comprehensive tool-only set from PROTO. It includes 649 pieces covering Metric/SAE sizes with 1/2 in, 1/4 in, and 3/8 in socket drive sizes. The set contains (1) Electrician's Plier, (5) Cabinet Screwdrivers, (31) Drive Tools, and (33) Combination Wrenches.

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 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: 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: 188 Total Pcs, Metric/SAE, 1/2 in Socket Drive Size (MPN JCS-MAS-2A). Key specifications — attr538253: PROTO; attr548973: (3) Groove Joint Pliers; attr548974: (28) Screwdriver Bits; attr548975: (14) Bit Sockets; attr548983: (42) Reversible Ratcheting Wrenches.
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PROTO Master Set: 188 Total Pcs, Metric/SAE, 1/2 in Socket Drive Size (MPN JCS-MAS-2A). Key specifications — attr538253: PROTO; attr548973: (3) Groove Joint Pliers; attr548974: (28) Screwdriver Bits; attr548975: (14) Bit Sockets; attr548983: (42) Reversible Ratcheting 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 Tool Set: 497 Total Pcs, Metric/SAE, 1/4 in/3/8 in/1/2 in Socket Drive Size (MPN J99923TF). Key specifications — attr538253: PROTO; attr548973: (4) Long-Nose Pliers; attr548974: (8) Philips Screwdrivers; attr548975: (50) Socket Bits; attr548983: (12) Flare Nut Wrenches.
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PROTO Master Set: 272 Total Pcs, Metric/SAE, 1/2 in/1/4 in/3/8 in Socket Drive Size (MPN JCS-MAS-5A). Key specifications — attr538253: PROTO; attr548973: (3) Locking Pliers; attr548974: (1) Ratcheting Screwdriver; attr548975: (8) Drive Tools; attr548983: (20) Double Open-End Wrenches.
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