Optimized for use with 1/4" drive impact wrenches and ratchets
Forged sliding arm is made from tempered drop-forged steel for long service life
Deliver up to 33% more torque than ordinary hex keys
Fully polished chrome finish resists corrosion and is easy to clean
Open web is load resistant
Stubby Wrench Set, Combination, 9 Pieces, Imperial Protective Carrying Cases Optimized for use with 1/4"Provides a tight and secure fit Mirror chrome finish for maximum resistance against corrosion Limited lifetime warranty Meets ANSI standards Includes: 1 4", 5 16", 3 8", 7 16", 1 2", 9 16", 5 8", 11 16", 3 4" Specifications No. Of Pieces 9 Size Standard Imperial Type Combination Weight 1. 3 lbs. Drive Type 12 Point Overall Dimensions 9 3 16" L x 5 11 16" W x 1 13 16" H Country Of Origin Canada