new and improved version of the d61adc. This pneumatic bostitch top closing staplerpact; yet uses a 1000 count roll of coil staples. It loads fast and easy; and maximizes productivity. It's lightweight; well balanced; and designed for one-handed stapling. It seals a; b or c-flute corrugated cartons. Features a quick release to prevent jams; and an adjustment for tightness and depth of clinch. This tool replaces the old bostitch d61adc.