[material] high quality stainless steel production will never rust more beautiful than the picture

[size] the length of the cage is about 38mm, inside diameter about 32mm, built-in removable silicone catheter length of about 19mm

A anti slip ring size: diameter of 33mm, 35mm, 40mm (according to wear or removal)

New snap ring size: diameter of 38.1mm. 41.3mm, 44.4mm, 47.6mm, 50.8mm with new pin, copper lock, rubber ring, spacer ring, hexagonal plate hand.