Material Type Aluminum
Finish Types Powder Coated
BLACK ANODIZED ALUMINUM SCREW CAP: No need tool / wrench. The design of the screw cap rotating thread makes it easy to twist when mounting or dismounting.
4 rubber washers per mount. The rubber washer can be placed between the surface of the skateboard deck and the nut so that the nuts don't damage the skateboard.
The base is an aluminum material, durable, and rust-proof
Easy to install