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PROTO Combination Wrench: Alloy Steel, Black Chrome, 3/8 in Head Size, 3 3/4 in Overall Lg - SAE Spline Ratcheting Combination Wrenches
PROTOSAE Spline Ratcheting Combination Wrenches

PROTO Combination Wrench: Alloy Steel, Black Chrome, 3/8 in Head Size, 3 3/4 in Overall Lg

The PROTO JSCV12S is a 3/8 in SAE spline ratcheting combination wrench made of alloy steel with a black chrome finish. It features an offset design and a 3 3/4 in overall length, with a spline ratcheting box end for…

SKU 3G-OTH-276755

Brand
PROTO
Item
Combination Wrench: Alloy Steel, Black Chrome, 3/8 in Head Size, 3 3/4 in Overall Lg
Category
SAE Spline Ratcheting Combination Wrenches
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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
JSCV12S
Type
Black Chrome, Offset
Overall Lg
3 3/4 in
Head Size
3/8 in

Technical Documents

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

Product Description

The PROTO JSCV12S is a 3/8 in SAE spline ratcheting combination wrench made of alloy steel with a black chrome finish. It features an offset design and a 3 3/4 in overall length, with a spline ratcheting box end for fastener engagement.

Frequently Asked Questions

What is the PROTO JSCV12S combination wrench used for?

The PROTO JSCV12S is a 3/8 in SAE spline ratcheting combination wrench used for tightening and loosening fasteners in industrial maintenance, automotive repair, and mechanical assembly. Its spline ratcheting box end engages fasteners from multiple angles, making it suitable for confined spaces where a full swing arc is not possible.

What are the specifications of the PROTO JSCV12S wrench?

The PROTO JSCV12S is a 3/8 in SAE spline ratcheting combination wrench with an overall length of 3 3/4 in. It is made of alloy steel with a black chrome finish and features an offset design. The spline ratcheting box end allows for multi-position fastener engagement. The manufacturer part number is JSCV12S.

Where to buy the PROTO JSCV12S wrench worldwide?

You can source the PROTO JSCV12S combination wrench 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; we provide competitive pricing and reliable sourcing for PROTO tools.

How to select the correct PROTO combination wrench size?

To select the correct PROTO combination wrench, match the head size to your fastener's hex or spline dimension. The JSCV12S has a 3/8 in head size and a 3 3/4 in overall length. For spline ratcheting wrenches, ensure the fastener profile is compatible with the spline design. Always verify the SAE size against your application requirements.

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 sae spline ratcheting combination wrenches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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