ITEM NAME:SHF20 20mm Linear Bearing Shaft Support U5N5 SHF20 20mm Linear Bearing Shaft Support U5N5 Flange Type shaft mounting For 20mm Shafts Material: Bearing Steel Height: 0.79inch / 20mm Color: As the picture show High quality, high performance Package Includes:1 x linear bearing shaft support Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..For 20mm Shafts. Material: Bearing Steel.