Ring size selection:

Circular ring and arc ring: 40mm/45mm/50mm

the length of the cage is 20mm, and Cage the inner diameter is 32mm.

The material of the product is stainless steel, smooth surface, high-tech production, please choose the right size to avoid size inconsistency

Important:

product dimension tolerance does exist, due to the below 3 reasons and this tolerance (±1cm) generally is considered to be allowed.

Please do NOT make the purchase if it is not acceptable for you.