... price 2.Good interchangeablity & high strength 3.Smooth surface Taper Bushing:1. European Standard Type: 1008, 1108, 1210, 1215, 1310, 1610 ... , SD, SK, SF, E, F, J, M, N, P, W, S.3. Material: Steel, Cast iron4. Surface treatment: black, phosphateFeatures:1 ... flexibility.4. OEM and Customized available with fast delivery. Taper bushing/ Taper locks with high quality