Straight Line Sander Two piston design Ideal for plastic body filler,wood&fiberglass finishing Heavy duty aluminum pad Name: SJ-S110 Straight Line Sander Information:Two piston designIdeal for plastic body filler,wood&fiberglass finishingHeavy duty aluminum pad Pad Size2-3/4*17"Speed3,300rpmAir Consumption2.3cfmAir inlet1/4"Weight6.82lbs/3.10kgLength16"/406mm