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PROTO Master Set: 188 Total Pcs, Metric/SAE - Tool Only Sets
PROTOTool Only Sets

PROTO Master Set: 188 Total Pcs, Metric/SAE

The PROTO Master Set (MPN JCS-MAS-2A) is a tool-only set containing 188 total pieces in Metric/SAE sizes with a 1/2 in socket drive size. The set includes (3) Groove Joint Pliers, (28) Screwdriver Bits, (14) Bit…

SKU 3G-OTH-267251

Brand
PROTO
Item
Master Set: 188 Total Pcs, Metric/SAE
Category
Tool Only Sets
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Technical Specifications

PROTO
Manufacturer Part Number
JCS-MAS-2A
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PROTO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PROTO Master Set (MPN JCS-MAS-2A) is a tool-only set containing 188 total pieces in Metric/SAE sizes with a 1/2 in socket drive size. The set includes (3) Groove Joint Pliers, (28) Screwdriver Bits, (14) Bit Sockets, and (42) Reversible Ratcheting Wrenches.

Frequently Asked Questions

What is the PROTO Master Set JCS-MAS-2A used for?

The PROTO Master Set JCS-MAS-2A is used for industrial maintenance, automotive repair, and mechanical assembly. It provides 188 pieces including reversible ratcheting wrenches, screwdriver bits, and groove joint pliers in both Metric and SAE sizes, making it suitable for professional technicians and plant engineers.

What are the specifications of the PROTO Master Set JCS-MAS-2A?

The PROTO Master Set JCS-MAS-2A includes 188 total pieces with a 1/2 in socket drive size. It contains (3) Groove Joint Pliers, (28) Screwdriver Bits, (14) Bit Sockets, and (42) Reversible Ratcheting Wrenches. The set covers both Metric and SAE sizes for versatile industrial use.

Where to buy the PROTO Master Set JCS-MAS-2A worldwide?

You can source the PROTO Master Set JCS-MAS-2A through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this PROTO tool set.

How to select the right PROTO Master Set for industrial use?

Select the PROTO Master Set JCS-MAS-2A if you need a comprehensive 188-piece kit with both Metric and SAE sizes. The 1/2 in drive and inclusion of reversible ratcheting wrenches make it ideal for heavy-duty maintenance. For lighter tasks, consider smaller PROTO sets with fewer pieces.

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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