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PROTO Master Set: 272 Total Pcs, Metric/SAE - Tool Only Sets
PROTOTool Only Sets

PROTO Master Set: 272 Total Pcs, Metric/SAE

The PROTO Master Set: 272 Total Pcs (SKU 3G-OTH-267200, MPN JCS-MAS-5A) is a comprehensive tool-only set from PROTO. It includes (3) Locking Pliers, (1) Ratcheting Screwdriver, (8) Drive Tools, and (20) Double…

SKU 3G-OTH-267200

Also listed as: JCSMAS5A · JCS MAS 5A

Brand
PROTO
Item
Master Set: 272 Total Pcs, Metric/SAE
Category
Tool Only Sets
Available to Order
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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-5A
Type
Metric/SAE, 1/2 in/1/4 in/3/8 in Socket Drive Size

Technical Documents

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PROTO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PROTO Master Set: 272 Total Pcs (SKU 3G-OTH-267200, MPN JCS-MAS-5A) is a comprehensive tool-only set from PROTO. It includes (3) Locking Pliers, (1) Ratcheting Screwdriver, (8) Drive Tools, and (20) Double Open-End Wrenches, with Metric/SAE sizing and 1/2 in, 1/4 in, and 3/8 in socket drive sizes.

Frequently Asked Questions

What is the PROTO Master Set JCS-MAS-5A used for?

The PROTO Master Set JCS-MAS-5A is used for professional mechanical assembly, maintenance, and repair across automotive, industrial, and manufacturing sectors. It provides 272 pieces including locking pliers, a ratcheting screwdriver, drive tools, and double open-end wrenches in Metric/SAE sizes with 1/2 in, 1/4 in, and 3/8 in socket drives.

What are the specifications of the PROTO Master Set JCS-MAS-5A?

The PROTO Master Set JCS-MAS-5A includes 272 total pieces: (3) locking pliers, (1) ratcheting screwdriver, (8) drive tools, and (20) double open-end wrenches. It features Metric/SAE sizing with 1/2 in, 1/4 in, and 3/8 in socket drive sizes. The set is manufactured by PROTO under MPN JCS-MAS-5A.

Where to buy the PROTO Master Set JCS-MAS-5A worldwide?

You can source the PROTO Master Set JCS-MAS-5A through 3G Electric, a global industrial equipment distributor established in 1990. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact 3G Electric for availability and lead time on this PROTO tool set.

How to select the right PROTO Master Set for automotive work?

To select the right PROTO Master Set, consider the socket drive sizes needed: this set offers 1/2 in, 1/4 in, and 3/8 in drives with Metric/SAE coverage. For automotive work, ensure the set includes locking pliers and double open-end wrenches as provided in the JCS-MAS-5A. PROTO tools are designed for professional durability.

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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