Ronix Model 8101K 12V 2A 2batteries Power Tools Electric Cordless Impact Driver CoolDeck the span between two structural the span between two structural posts should not exceed 4 feet to pass the 4 inch sphere test 5 Ah Battery & Charger Included Returnable 180 Day Cordless Corded Cordless Battery Power Type Lithium Ion Tools Product Type Power Tool Voltage (volts) 12 Battery Charger2 1 Battery & Charger Included Cordless Tool Type Specialty Condition New Batteries Included Yes Motor Type Brushed Charger Included Charger Included Product Height (in Q: Can the driver handle tough materials such as metal and stone Specification Details Battery Voltage 12V Li ion Battery Capacity 2 Ah Max Torque 28 Nm No Load Speed 0 350 0 1350 rpm Chuck Size 10 20 mm Weight 1