The MILWAUKEE® M18 FUEL 4 ft Concrete Pencil Vibrator delivers up to 1.8 Peak HP, no setup, and consolidates 20 cubic yards of concrete per charge. The M18 FUEL 8 ft Concrete Pencil Vibrator delivers 1.8 Peak HP, which is 3X more powerful than competitive cordless pencil vibrators for concrete, all on the M18 cordless system. The POWERSTATE Brushless Motor delivers maximum sustained power and 12,500 VPM for optimal consolidation with a variable speed trigger. REDLINK PLUS Intelligence ensures unmatched levels of performance and protection. The included M18 REDLITHIUM HIGH OUTPUT XC6.0 Battery delivers 50% more power and runs 50% cooler than M18 REDLITHIUM XC batteries and is compatible with 200+ tools in the M18 System.