The repair can be completed using an electric drill, a pneumatic drill, or entirely by hand. The process—drill, tap, and install the insert—is straightforward for anyone to follow. 【All-Inclusive, Ready-to-Use Kit】This complete set provides everything needed for a professional repair: 1 drill bit, 1 counterbore tool, 1 tap, 1 install driver, and 10 durable inserts (28.2mm length).