Dewalt DCD771 20V MAX Cordless Lithium-Ion 1/2 inch Compact Drill Driver (Bare tool) Dewalt DCD771 20 VOLT Cordless Lithium 1/2" Drill Driver Bare tool- Battery, Charger and case not in High speed transmission delivers two speeds (0 - 450 / 0 - 1,500 RPM) for a range of fastening and d Compact, lightweight design fits into tight areas Heavy duty 1/2 in. ratcheting chuck with carbide inserts provides superior bit gripping strength Two-speed, all-metal transmission for increased run time and longer tool life