1. Compatible with all types of dental chairs: standard interface Compatible with all types and abroad. 2. 0.5mm sandblasting hole:Improves precision and accuracy of sandblasting and prolongs use time of sand powder, Improve economic benefits, built-in anti-back suction system to prevent sand powder damage Risk of air compressor. 3. Ergonomic design: Golden ratio 1:1 design .The sand pot uses high-strength and high-temperature engineering materials and can be easily placed on operating table. 4. Prevents sandblasting powder from accidentally entering sandblasting body, and grip-type operation is more comfortable and convenient. material. Light weight and durability. This is High quality of Stainless Steel material. Type:Dental Tools Bearing:Ceramic Bearing Powder filling method:optional bottle cap filling Working air pressure:0.30MPA-0.40MPA size:70 microns nozzle can rotate 360 Disinfection method:supports 135/275 high temperature disinfection Specification:D: 4 Hole Water Colour:As Shown Material:Stainless steel+ABS Package Contents: 1 x Sandblasting Device Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.