Air random orbital sander Air sander Specifications: Air inlet - in: 1/4 Air consumption - cfm: 8(226) Pad diameter - in: 125(5") Vacuum ready: yes Free speed rpm: 12, 000 Weight - kg(lb): 0.83(1.92) Orbit diameter: 6(3/16" orbit) Weight - kg(lb): 0.83(1.92) Pad diameter - in: 125(5")