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PROTO Master Set: 1,011 Total Pcs, Metric/SAE - Tool Only Sets
PROTOTool Only Sets

PROTO Master Set: 1,011 Total Pcs, Metric/SAE

The PROTO Master Set (SKU JCS-0900MAS, MPN JCS-0900MAS) is a tool-only set containing 1,011 total pieces in Metric/SAE sizes, with socket drive sizes of 1/2 in, 1/4 in, 3/4 in, and 3/8 in. This set includes (1) Bent…

SKU 3G-OTH-267211

Also listed as: JCS0900MAS · JCS 0900MAS

Brand
PROTO
Item
Master Set: 1,011 Total Pcs, Metric/SAE
Category
Tool Only Sets
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

PROTO
Manufacturer Part Number
JCS-0900MAS
Type
Metric/SAE, 1/2 in/1/4 in/3/4 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 (SKU JCS-0900MAS, MPN JCS-0900MAS) is a tool-only set containing 1,011 total pieces in Metric/SAE sizes, with socket drive sizes of 1/2 in, 1/4 in, 3/4 in, and 3/8 in. This set includes (1) Bent Nose Plier, (6) Keystone Screwdrivers, (108) Impact Sockets, and (7) Flex Combo Wrenches.

Frequently Asked Questions

What is the PROTO Master Set JCS-0900MAS used for?

The PROTO Master Set is a comprehensive 1,011-piece tool set for industrial maintenance, repair, and assembly. It includes Metric/SAE impact sockets, flex combo wrenches, screwdrivers, and pliers, covering 1/2 in, 1/4 in, 3/4 in, and 3/8 in drive sizes for heavy-duty applications.

What are the specifications of the PROTO Master Set JCS-0900MAS?

This PROTO set contains 1,011 total pieces in Metric/SAE sizes with socket drive sizes of 1/2 in, 1/4 in, 3/4 in, and 3/8 in. Included are (1) Bent Nose Plier, (6) Keystone Screwdrivers, (108) Impact Sockets, and (7) Flex Combo Wrenches. The manufacturer part number is JCS-0900MAS.

Where to buy the PROTO Master Set JCS-0900MAS worldwide?

3G Electric supplies the PROTO Master Set JCS-0900MAS to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to order this 1,011-piece tool set for your facility.

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

Choose the PROTO Master Set JCS-0900MAS when you need a broad range of Metric and SAE sizes in one kit. Its 1,011 pieces cover 1/2 in, 1/4 in, 3/4 in, and 3/8 in drives, including impact sockets and flex wrenches. For heavy-duty maintenance, this set provides comprehensive coverage across multiple 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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