Air Orbital Sander Vacuum Type Central Vacuum Product Type Air-Powered Orbital Sander Disc Motion Random Orbital Abrasive Mount Type Adhesive-Backed Motor Type Gearless Duty Heavy Orbit Diameter 3/16 in Horsepower 0.5 hp Grip Type Extended Speed Settings Variable Air Consumption 23 cfm Required Pressure 90 psi Air Inlet Size 1/4 in Air Inlet Type NPT Minimum Hose Size 3/8 in Exhaust Location Rear Tool Series Two-Hand Dynorbital Tool Length 12 1/2 in Tool Weight 3.8 lb