• ‎Metal
• 【Exceptional Performance & Safty assurance】Powerful 1,700 Watts 14 AMP motor delivers 1,900 BPM, large-diameter cylinder to increase the impact energy to 55 Joules(40.6 ft.lbs.), to handle the most demanding fast Chipping,Demolition Applications, Double insulation design keep ueser safe.
• 【Easy to operate】1-3/16"(30mm) Hex shank bit system provides tool free bit changes with automatic bit locking, dust protection and maximum impact energy transfer. When used for long-term applications, the Lock-on Button allows us not to control the Start up Button all the time，added user comfort during extended periods of work.
• 【Ergonomic design】360°adjustable accessory handle and Ergonomic grip area applies to different work occasion. A unique flexible two-handed design maintain the best working posture possible，increase work efficiency at the same time.
• 【Vibration Control】The upgraded Anti-Vibration Technology designed to decrease the vibration effectively, reduce fatigue; Longer air cushion in the hammer mechanism reduces vibration and improves hammer performance.
• 【Brute breaker tools】The heavy duty jack hammer 65F is perfect for breaking holes, trenching, chipping and demolition in concrete, block, brick, tile, stucco, housing foundation removal, concrete slab, oil chimney，mining and much more! We provide 24 months warranty service.