Can apply on bushings, ports, tubs, holes,

channels, socket brake guides

Brush material & size: 12pcs each

Steel- 8-9-10-11-12-13-14-15-16-17-18-19mm

Brass- 8-9-10-11-12-13-14-15-16-17-18-19mm

Nylon- 8-9-10-11-12-13-14-15-16-17-18-19mm

Each brush is 1/4" HEX driver shank.

2pc- quick release screwdriver with handle