Makita 20 lb. Demolition Hammer, 3/4" Hex, AC/DC, case. Manufacturer's Product Number: MK-HM1211B.

The air-cushioned Makita 10 AMP Demolition Hammer (model HM1211B) delivers 2,000 BPM and 10.5 ft.lb. of impact energy (14.2 Joules) for demanding concrete applications. The D-shaped handle is engineered to help absorb vibration, while the one-touch latching retainer allows easy bit changes. The hex-style chuck accepts 3/4 in. steel bits.

Features 

• Powerful 10 AMP motor for faster and efficient operation
• Comfortable rubber D-shaped grip side handle absorbs vibration; secures in four positions for operator comfort
• One-touch tool retainer action for easy accessory installation and removal
• Automatic brush cut-off protects commutator from damage for longer tool life
• Factory grease packed for reduced maintenance
• AC/DC switch for use with alternative power source
• Makita Motor Advantage engineered with field core interlocking steel laminations, dual ball bearing armature and more copper commutator bars, increasing energy transfer efficiency for more power and longer tool life
• Accepts 3/4" Hex Shank bits
• Ideal for chiseling, chipping and scaling operations
• Rugged metal gear housing for longer tool life

Specs

• AMPS : 10
• Blows Per Minute : 2,000 BPM
• Impact Energy (ft.lbs.) : 10.5
• Impact Energy (Joules) : 14.2 J
• Vibration Control  : No
• Vibration (m/s²) : 25
• Noise Level : 96 dB
• Overall Length : 19-5/16"
• Net Weight : 20.7 lbs.
• Bit Type : 3/4" Hex - 21/32" Round
• Breaker/Demo class : 20
• Power Type : Corded
• Type (Breakers & Demolition Hammers) : Demolition Hammer
• Shipping Weight : 28.67 lbs.
• UPC Code : 088381-012287

WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. Some examples of these chemicals are:
• lead from lead-based paints,
• crystalline silica from bricks and cement and other masonry products, and
• arsenic and chromium from chemically-treated lumber.
Your risk from these exposures varies, depending on how often you do this type of work. To reduce your exposure to these chemicals: work in a well ventilated area, and work with approved safety equipment, such as those dust masks that are specially designed to filter out microscopic particles. For more information, go to www.p65warnings.ca.gov