The JR3030T with AVT is powered by a 12 Amp motor with electronic speed control to maintain constant speed under load. Has a long 1-1/4 inch stroke for faster cutting with 0-2600 strokes per minute (SPM) A versatile and powerful reciprocating saw engineered for demolition, metal cutting, wood cutting, drywall and plaster, plastics and remodeling. It’s ideal for builders, roofers, metal fabricators, remodelers, and general contractors seeking a best-in-class industrial quality reciprocating saw.