BELT SANDER MODEL FREE SPEED AIR INLEET (PT) AIR PRESSURE PAD POWER WEIGHT CF-715B 3,200 RPM 1/4" 6.3 BAR / 90 PSI 3" 0.6 HP 0.8KG ( 1.7 LB) MODEL FREE SPEED SPINDLE OVERALL LENGTH PAD AIR CONSUMPTION NET WEIGHT ST-AP3003 5,000 RPM 5/16-24 UNF 7-7/8" (200mm) 3" - 2.0 Lb ( 0.9 kgs) ST-AP2013-L 3,500 RPM 3/8"-24 THREAD 8-2/9" (209mm) 3" - 1.6 Lb ( 0.73 kgs) ST-7149 2,500 RPM 5/16-24 UNF 6.3" (160mm) 3" (76.2mm) 6cfm / 171 l/min 2.0 Lb ( 0.9 kgs) AP-105AL 3,200 RPM 5/16-24 UNF 6.3" (160mm) 3" 4.2cfm / 30 l/min - ST-77701 3,500 RPM 5/16-24 UNF 206 mm 5" 3.9cfm / 110 l/min 1.0 KG ST-7770S 4,000 RPM 5/8"-11 UNF 7-1/2" (190mm) 5" 17 cfm / 480 l/min 5.5 lbs (2.5 kgs