Air Grinder Straight Die Sander 1/4 Inch Heavy Duty Industrial Pneumatic Polisher
- All steel wearable chuck, bite force to strengthen.
- Use two wrenches to disassemble the grinding head.
- Metal pressure plate start and stop switch is durable.
- Promise speed (by adjusting the intake air to reduce the speed and torque).
- 1/4 '' inlet interface is also a pneumatic oil filling hole.