Engineered for compatibility with various impact wrenches, this set includes essential replacement parts such as retainer rings and O-ring. These accessories help maintain the stability of your wrench's square drive, ensuring smooth operation during demanding tasks. suit for automotive repairs, construction, and maintenance work. Features -Color:Multi -Material:Rubber, Iron -Size:1.34X1.10X0.23cm/0.53X0.43X0.09in(Retainer Rings Clip) -Size:1.00X0.70X0.16cm/0.39X0.28X0.06in(O-Ring) -Efficiency boost: designed for quick and easy replacement, significantly boosting your work efficiency in various maintenance and assembly tasks -Stable connection: precisionengineered retaining rings and washers ensure a firm connection of the output shaft, minimizing the risk of loosening during operation -Dust and debris protection: effectively seals to keep dust and debris out, prolonging the service life of your electric wrench - fit: compatible with a wide range of square output shafts, easily fitting multiple brands of electric tools, increasing the versatility of your toolkit -Highstrength material: constructed from durable, wearresistant materials, suitable for highload environments like automotive repair and mechanical assembly, reducing the need for frequent maintenance Package list: 20 x Wrench Retainer Rings 20 -ring