Model:

F2 straight high-speed air drill + speed control valve

F3 straight toothed air drill + speed control valve

Strong K4 Toothed Air Drill) Drill Chuck

Strong 5HA toothed air drill) self-locking chuck

Upgrade 3KA high speed) air drill) drill chuck) + speed control valve

Strong 5KA high speed) toothed air drill) drill chuck) + speed control valve

Strong 5KB low speed) toothed air drill) drill chuck) + speed control valve

Strong K9 toothed air drill) drill chuck

Strong K9 toothed air drill) self-locking head