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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 409JW5, 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…

SKU 3G-OTH-267200

Brand
PROTO
Item
Master Set: 272 Total Pcs, Metric/SAE
Category
Tool Only Sets
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Technical Specifications

PROTO
Manufacturer Part Number
JCS-MAS-5A
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: 272 Total Pcs (SKU 409JW5, 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.

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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