20V Max, Lithium-Ion Reciprocating Saw, Tool Only, 4 Position Blade Clamp Allows For Flush Cutting & Increased Positional Versatility With Tool Free Blade Changes, 1-1/8 Stroke Length Delivers A Faster Cutting Speed, Variable Speed Trigger With 0-3000 SPM Provides Increased Blade Control & Faster Cut Speed, Pivoting Adjustable Shoe Extends Blade Life & Allows Depth Of Cut Control, Rubber Over Molded Comfort Grip Delivers Optimal Comfort & Control, Double Oil Sealed Shaft Resists Contamination & Increases Durability.