PROTO Master Set: 90 Total Pcs, Metric/SAE
The PROTO Master Set (MPN JCS-MAS-4A) is a 90-piece tool set with a 3/4-inch socket drive size, offering both Metric and SAE configurations. It includes (22) sockets, (7) flex combo wrenches, (6) retaining ring…
SKU 3G-OTH-267239
Also listed as: JCSMAS4A · JCS MAS 4A
Local availability & support
- 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.
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Product Description
The PROTO Master Set (MPN JCS-MAS-4A) is a 90-piece tool set with a 3/4-inch socket drive size, offering both Metric and SAE configurations. It includes (22) sockets, (7) flex combo wrenches, (6) retaining ring pliers, and (2) screw starters. This set is designed for industrial maintenance and repair applications requiring a comprehensive range of hand tools.
Frequently Asked Questions
What is the PROTO Master Set JCS-MAS-4A used for?
The PROTO Master Set JCS-MAS-4A is used for industrial maintenance and repair tasks requiring a comprehensive range of hand tools. It includes 22 sockets, 7 flex combo wrenches, 6 retaining ring pliers, and 2 screw starters in both Metric and SAE sizes, making it suitable for heavy equipment and machinery work.
What are the specifications of the PROTO Master Set JCS-MAS-4A?
The PROTO Master Set JCS-MAS-4A is a 90-piece tool set with a 3/4-inch socket drive size. It includes 22 sockets, 7 flex combo wrenches, 6 retaining ring pliers, and 2 screw starters, available in both Metric and SAE configurations. The set is designed for industrial applications and carries the PROTO brand.
Where to buy the PROTO Master Set JCS-MAS-4A worldwide?
You can source the PROTO Master Set JCS-MAS-4A worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we provide PROTO tools to industrial buyers internationally.
How to select the right PROTO Master Set for industrial use?
To select the right PROTO Master Set, consider the socket drive size and tool count needed for your applications. The JCS-MAS-4A offers a 3/4-inch drive with 90 pieces including sockets, flex combo wrenches, retaining ring pliers, and screw starters in Metric and SAE. Ensure the set covers the fastener sizes and tool types common in your maintenance tasks.
Used in
Common applications for PROTOPROTO 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.
