Makita HM1812X3 70 lbs Advanced AVT Breaker Hammer, accepts 1‑1/8" Hex Bits 15A is engineered to hit like an air hammer, but with less noise and vibration. It has a powerful 15 AMP motor that delivers a full 53.9 ft.lbs. (73.8 Joules) of impact energy, so contractors get hard-hitting performance. Users also benefit from less noise and lower vibration than an air hammer, and zero hassle with an air hose and compressor. The HM1812 features the latest Advanced AVT® Technology, a synchronized three-component system that more effectively reduces vibration. Model HM1812X3 is a kit and also includes a Premium Hammer Cart, as well as two 1-1/8" x 20-1/2" Flat Chisels (1-1/8" Hex) and two 16" Self-Sharpening Bull Point bits (1-1/8" Hex).