9Pcs Extension Bar Set 1/4" 3/8" 1/2" Black Drive Socket Auto Repairing

【Wide Application】This high-quality accessory socket kit can help you play a role in auto repair and other projects. Safe for use with all cordless, electric and pneumatic impact wrenches. You can use it to access deep screw holes.

【Prevents Dropping】 The spring-loaded detent ball system at the end of bars locks socket into place for security and prevents dropping while the through-hole in the drive end will ensure that your extension bars are securely locked onto the drive.

【High-quality Materials】The impact extension bar set is made of high-quality chrome-vanadium steel alloy with a corrosion-resistant black phosphate coating for durability. These extension bars feature a corrosion-resistant mirror chrome finish for easy cleanup.

【Permanent High-visibility Laser Etched Size Matking】The high-contrast size marking of the extension bar is permanently laser etched, making it easy to read even in low-light conditions

3x 1/4inch Drive : 2inch 4inch 6inch

3x 3/8inch Drive : 3inch 6inch 10inch

3x 1/2inch Drive: 3inch 5inch 10inch