Bosch's GSA18V-083B reciprocating saw weighs 5.5 pounds and has a compact length of 15-3/4 inches, while delivering an 0.83-inch (21mm) stroke at up to 3,050 strokes per minute. Features include: variable-speed trigger; toolless blade-change system;  LED light for illumination of the cutting zone; a switch lock to prevent unwanted starts; and the Bosch Electronic Motor Protection (EMP) system to protect the motor against overload.