Feature

●Smooth shape, each diameter is in mm, 1 mm = 0.0393701 inches
●Material: bearing steel, precision grade G10 ball
●High quality, strict process, can make the ball more smooth and durable
●Many customers choose us because of our excellent service guarantee
●Suitable for bicycles, casters, drawer slides, door locks and other uses

[12.7mm*20pcs]

[22.0mm*2pcs]

Description

Please calculate the ball size according to the following formula, and select the appropriate size
1 mm = 0.0393701 inches