Brand: igus Item: Shaft Series: Drylin R For Use With: 3/4in drylin R series bearings Material: 6060/6061 aluminum Diameter: 3/4in Length: 500mm Shaft Type: Supported Hardness: 450-550 HV Surface Finish: Hard-anodized aluminum igus drylin R series supported shaft, 6060/6061 aluminum, 450-550 HV, hard-anodized aluminum, 3/4in diameter, 500mm length. For use with 3/4in drylin R series bearings.