This Circular Saw delivers up to 5,000 revolutions per minuet and a 2-1/4 inch. depth of cut to easily cut through 2 times material and triple stacked 3/4 in. OSB. It features a 50° bevel capacity to cut at the most common angles. This tool is 27% more compact and 30% lighter weight when compared to RIDGID's R8657 Brushless 7-1/4 inch. Circular Saw, perfect for quick cuts. This cordless Circular Saw is vacuum attachment compatible and accepts hose sizes 1-3/4 inch. and 1-1/4 inch. As always, this RIDGID SubCompact Brushless Cordless 18V 6-1/2 in. Circular Saw is 100% compatible with all RIDGID 18V batteries.