Tackle demanding placement applications with the DEWALT® POWERSHIFT Backpack Vibrator that delivers unrivaled power, ergonomics, and runtime. Ideal for stiff slumps, this powerful cordless vibrator provides up to 2-1/4 in. head performance and a consistent 12,000 VPM. The ergonomically designed hi-vis harness is designed to accommodates users with sizes from XS to XXXL length torsos, features adjustable straps, and gives the user the ability to raise or lower the back pad to help limit fatigue. This vibrator is compatible with 16 DEWALT® head and shaft combinations including 1-1/2 in., 1.3/4 in., 2 in. and 2-1/4 in. heads and shafts at 7 ft., 10 ft., 16 ft., and 21 ft. (heads and shafts sold separately).