Power in a compact size, the RYOBI 18V ONE+ HP Brushless 1/2 in. Hammer Drill is only 6.7 in. long and 29% more compact, giving you better access into tight workspaces and overhead applications. This Compact Hammer Drill provides up to 2X more runtime than the brushed model, allowing users to get more done per battery charge. Hammer Mode provides versatile drilling through concrete, brick and block with 0 - 27,200 BPM. Other features include a two-speed gearbox (0-450 and 0-1,700 RPM) and a 24-position clutch for maximum control while drilling and driving. The 1/2 in. single sleeve ratcheting chuck is custom designed with a unique knurling pattern to provide a durable grip for quick bit changes.