Twin Pen Sandblaster Double Pen Sand Blaster Machine for Dental Lab 2 Tanks Lamp Transparent Window Durable Metal Storage Advanced LED Light Efficient Twin-Pen Design Simple to Operate Extensive Uses Particle Size: 120μm/150μm/180μm,Power:10W:,Working Pressure: 4 kg,Nozzle: 1.2 mm,Voltage: 110V/60HZ±10%,Dust Tank: 2 Tank,Weight:36 lbs (17 kg):,Dimensions: 14.96" x 16.34" x 11.42" / 38 x 41.5 x 29 cm,Nozzle Materials: Carbide/Ceramic,Light System: Fluorescent Lamp