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PROTO JCS-MAS-2A Master Set, 188-Piece, Metric/SAE, 1/2 in Drive - Tool Only Sets
PROTOTool Only Sets

PROTO JCS-MAS-2A Master Set, 188-Piece, Metric/SAE, 1/2 in Drive

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

Also listed as: JCSMAS2A · JCS MAS 2A

Brand
PROTO
Item
JCS-MAS-2A Master Set, 188-Piece, Metric/SAE, 1/2 in Drive
Part Number
JCS-MAS-2A
Category
Tool Only Sets
Available to Order
Also known as:JCS-MAS-2APROTO
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

PROTO
Manufacturer Part Number
JCS-MAS-2A

Technical Documents

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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
Industrial maintenance — PROTO J6014CXCERT micrometer torque wrench for tightening fasteners to 50–250 ft-lb with tether capability.
Assembly operations — PROTO J6345A electronic torque wrench for 5–50 ft-lb control with audible and visual indicators.
Plumbing and mechanical — PROTO J812HD straight pipe wrench with 2 in jaw capacity for gripping and turning pipes.
Precision fastening — PROTO J61929 multi-bit screw and nut driver kit with 26 alloy steel bits for assembly and maintenance.
Tool organization — PROTO JUC3743-3SG heavy-duty utility cart with drawers, power strip, and padlock for shop floor use.
Metric fastener service — PROTO JSCVM-20SB 20-piece ratcheting combination wrench set covering 6 mm to 32 mm.
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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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