Designed for durability and precision, these impact wrench socket retainer rings ensure secure attachment of sockets to your wrench, preventing accidental disconnections during use. The sleek design and robust construction make them ideal for both professional mechanics and DIY enthusiasts, enhancing tool efficiency and reliability. Features -Color:Black -Material:Iron, rubber -Size:1.34X1.34X0.20cm/0.53X0.53X0.08in(inner diameter: 11.3mm) -Size:1.10X1.10X0.20cm/0.43X0.43X0.08in(inner diameter:7mm) -stable rubber o ring: made from rubber, these o ring are reliable and resistant to breaking, ensuring performance -stable iron retaining rings: the retaining rings are constructed from iron, making them sturdy, stable, and wear resistant for extended use -Ample quantity: this set includes multiple rings to meet your daily needs, allowing you to replace worn out rings whenever necessary -Easy installation: simply install the rubber o ring first, then the impact wrench socket retaining ring, and use pliers to adjust to the appropriate size -Wide compatibility: this kit is suitable for most electric and pneumatic wrenches with 1/2" square drive, providing versatile use Package list: 27 x Rubber o ring 27 x Impact Wrench Socket Retainer Ring