4-position blade clamp of DEWALT 20V reciprocating saw allows for flush cutting and increased positional versatility with tool-free blade changes1-1/8-inch stroke length delivers a fast cutting speedVariable speed trigger with 0-3000 spm provides increased blade control and fast cutting speedPivoting adjustable shoe extends blade life and allows depth-of-cut controlRubber comfort grip delivers optimal comfort and controlDouble oil sealed shaft resists and increases durability