Milwaukee 5546 21 1 3 4 in. SDS Max Rotary Hammer GRA This tool uses the same DWHT51003 This tool uses the same battery and charger as your other 20V MAX tools Stock Width: 22″ Specifications Red Chuck Size (in)*: 1 3 4 Core Bit Capacity *: 6 Electronic Speed Control: Yes Material *: Reinforced Nylon Maximum RPM *: 380 Side Handle: Yes Thin Wall Core Bit Capacity: Yes UL Listed: Yes Variable Speed *: Yes Voltage *: 120 Blows Per Minute (bpm) *: 2900 Amps (A) *: 15 Lock on Switch *: Yes Integrated Light *: Yes Certifications and Listings: 1 UL Listed Chuck Type *: SDS Max Handle Material: Plastic Impact Energy (ft lbs) *: 8