12A, Heavy Duty Reciprocating Saw, Powerful Motor Designed For Heavy Duty Applications, 4 Position Blade Clamp Allows For Flush Cutting & Increased Versatility, Keyless, Lever Action Blade Clamp For Quick & Easy Blade Changes, 0-2,800 SPM & 1-1/8" Stroke Length For Fast & Efficient Cutting, Variable Speed Trigger Allows User To Instantly Control Speed.