Pneumatic a word sand scattering machine industrial grade handheld 2 inch reciprocating polishing and sanding machine 
Basic Parameters: 
 Model: B9237 
Pendulum Diameter:3mm 
No-load Speed:13000rpm 
Air Consumption:0.40m'/min 
Abrasive Disc Size:98*39mm 
Net Weight of Main Machine:0.81kg.