The Metabo HPT 316055690 Angle Grinder Bevel Gear with Pinion (29") is a replacement part designed to restore optimal performance in compatible angle grinders by ensuring smooth and efficient gear operation. This component transfers power from the motor to the grinding disc through a precisely machined gear and pinion system, enabling consistent torque and rotation speed during use. M... https://www.wholetoolbox.com/metabo-hpt-hitachi-316055690-angle-grinder-bevel-gear-w-pinion-29