DEWALT 20V Max XR Oscillating Multi-Tool, Variable Speed, Tool Only (DCS356B) 4.8 out of 5 stars. 4,693. #1 Best Seller in Oscillating Power Tools. $108.46. $108.46. Ingersoll Rand 114GQC Air Hammer - 3 PC Chisel Set with Tapered Punch, Pan stroke, 3500 BPM, Lightweight, Compact, Gray. 4.6 out of 5 stars.