2911-20 Milwaukee M18 FUEL 8' Concrete Pencil VibratorDescription Milwaukee's M18 FUEL 8 ft Concrete Pencil Vibrator generates up to 1. 8 peak HP, with no setup, and gives you the ability to consolidate 20 yds of concrete per charge. The MILWAUKEE M18 FUEL 8 ft Concrete Pencil Vibrator generates 1. 8 Peak HP, which is three times more powerful than competitive cordless pencil vibrators, all on the M18 Cordless System. The POWERSTATE Brushless Motor delivers maximum sustained power and 12,500 VPM for