1/2" Hammer Drill, Powerful 8A Motor Delivers 0-2,800 RPM & 0-48,000 BPM For Superior Performance, Compact, Allows To Work In Tight Spaces, Metal Gear Housing Provides User Expected Durability In The Toughest Applications, 2 Mode Operation Allows For Versatility To Use In Concrete, Wood & Metal, Heavy Duty Metal Chuck Provides Superior Durability & Bit Retention, Over Mold Increases Grip & Reduces User Felt Vibration, 360 Degree Side Handle Provides Maximum Versatility.