Brand: Ingersoll Rand Manufacturer's Part Number: IR311A Part Type: Sanders Product Line: Ingersoll Rand 5 1/2 in. Dual Action Sanders Summit Racing Part Number: ING-311A UPC: 663023009476 Tool Power Source: Pneumatic Air Consumption: 9 cfm Sander Type: Dual action orbital sander Diameter (in.): 6.000 in. Sandpaper Included: No Quantity: Sold individually. Notes: Air inlet is 1/4 in. NPT. Requires sandpaper with pressure sensitive adhesive backing. Ingersoll Rand 5 1/2 in. Dual Action Sanders These Ingersoll Rand 5 1/2 in. dual action sanders will give you swirl-free finishes every time. They feature a plastic grip and cover for increased comfort and a built-in regulator for speed control during delicate applications. These Ingersoll Rand 5 1/2 in. dual action sanders are made for sanding wood， metal， fiberglass， and auto body fillers. Their balanced ball-bearing motor provides consistent action and an excellent finish.