Material: Phenolic resin Color: Black Special requirements: The diameter of internal control can Number and requirements of the customArt D D1 d h L1 L2 f s W-009063 63 28 8 16 25 32 9 2 W-009080 80 30 12 16 32 50 11.4 3 W-009100 100 40 12 18 50 60 13.8 4