Powerful 5.5A motor. Choose trigger-speed control in two ranges: 0-1,350 RPM/0-22,000 BPM or 0-2,500 RPM/0-40,000 BPM. 1/2 In. twist bit capacity in steel, 3-3/4 In. hole saw capacity in wood, 3/4 In. capacity in concrete. Anti-vibration system delivers maximum comfort by minimizing vibration. Rotary hammer offers two-mode operation - rotary hammer and rotation only for maximum versatility. Mechanical clutch protects tool when bit binds up. Self-stopping brushes protect the motor and increases the life of the tool. Compact and lightweight, which reduces fatigue in overhead and horizontal drilling applications and allows for work in tight spaces. Includes side handle, depth rod, and carrying case.