motion pro plug spark plug socket temp1421 With a 16mm thick steel

With a 16mm thick steel bolt

Full padding for enhanced comfort

Fits: 21-22 Sportster S

The short overall length gives these an aggressive performance look

For 16mm mounting bolt diameter

motion pro plug spark plug socket temp1421 With a 16mm thick steelSlim skeleton design, but an ultra strong tool steel construction with an outer diameter of just 19. 25mm with an innovative mechanical internal plug retention system. Can be used as an axle holding tool on bikes with 17 mm internal hex axles. The through hole allows use of screwdriver or holding rod. Socket is black oxide coated with laser etched markings. 18mm socket 3 8" drive or 17mm wrench.