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PROTO J7277L Impact Socket Extension Set, 3/8 in Drive, Black Oxide Finish - Impact Socket Extension Sets
PROTOImpact Socket Extension Sets

PROTO J7277L Impact Socket Extension Set, 3/8 in Drive, Black Oxide Finish

The PROTO Socket Extension Set (MPN J7277L) is an impact socket extension set with a 3/8 in input drive size and 3/8 in output drive size. It features a black oxide finish and includes a locking mechanism. This set…

SKU 3G-OTH-405865

Brand
PROTO
Item
J7277L Impact Socket Extension Set, 3/8 in Drive, Black Oxide Finish
Part Number
J7277L
Category
Impact Socket Extension Sets
Available to Order
Also known as:J7277LPROTO
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
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Technical Specifications

PROTO
Manufacturer Part Number
J7277L
Type
Black Oxide, Std
Output Drive Size
3/8 in

Technical Documents

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

Product Description

The PROTO Socket Extension Set (MPN J7277L) is an impact socket extension set with a 3/8 in input drive size and 3/8 in output drive size. It features a black oxide finish and includes a locking mechanism. This set is designed for industrial applications requiring secure socket retention.

Frequently Asked Questions

What is the PROTO Socket Extension Set J7277L used for?

The PROTO Socket Extension Set J7277L is used in industrial maintenance and assembly to extend the reach of a 3/8 in drive ratchet or impact wrench. Its locking mechanism securely retains sockets, making it suitable for heavy-duty applications in automotive, manufacturing, and repair environments.

What are the specifications of the PROTO J7277L socket extension set?

The PROTO J7277L is a 3/8 in input and output drive size impact socket extension set with a black oxide finish. It includes a locking feature for secure socket retention. The set is standard length and designed for impact-rated use in demanding industrial settings.

Where to buy the PROTO J7277L socket extension set worldwide?

3G Electric supplies the PROTO J7277L socket extension set worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this PROTO impact socket extension set.

How to maintain a PROTO black oxide socket extension set?

To maintain the PROTO J7277L black oxide finish, clean extensions after use with a dry cloth and apply a light rust-preventive oil. Avoid abrasive cleaners that can damage the coating. Store in a dry environment to prevent corrosion. The locking mechanism should be checked periodically for debris.

Used in

Common applications for PROTO
Industrial maintenance — PROTO J6014CXCERT micrometer torque wrench for tightening fasteners to 50–250 ft-lb with tether capability.
Assembly operations — PROTO J6345A electronic torque wrench for 5–50 ft-lb control with audible and visual indicators.
Plumbing and mechanical — PROTO J812HD straight pipe wrench with 2 in jaw capacity for gripping and turning pipes.
Precision fastening — PROTO J61929 multi-bit screw and nut driver kit with 26 alloy steel bits for assembly and maintenance.
Tool organization — PROTO JUC3743-3SG heavy-duty utility cart with drawers, power strip, and padlock for shop floor use.
Metric fastener service — PROTO JSCVM-20SB 20-piece ratcheting combination wrench set covering 6 mm to 32 mm.
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PROTO Products

3G Electric supplies PROTO impact socket extension sets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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