Straight Line Air Sander (Dual Piston, Large Size) Dual cylinder,25mm stroke length,Low noise and vibration levels Straight Line Air Sander (Dual Piston, Large Size)Dual cylinder, 25mm stroke length, 2500 RPM for rapid material removalPositive locking clamps hold paper secureLow noise and vibration levelsThe dual piston makes the sander ideal for finishing body fillerNo dead point design for ...