Powerbuilt Gear Spanner Set 7Pc Metric PH654 Product Information 140Nm hard torque Bits 12 mm drive Product Information 140Nm hard torque output Reactive Force Control with Gyro Sensor delivers additional Anti kickback safety feature for users Highest power in its class new optimally designed motor and inverter circuit allows for continuously high speeds and under load operation Heavy duty metal gear case 13mm heavy duty metal keyless chuck New and improved side handle for greater control Variable Speed Control Well balanced and compact design only 190mm long Powered by 1080W High Powered 36V Multi Volt Batteries (Sold Separately) 18V High Performance brushless motor Compatible with ID Alloy plates Impact Mode for concrete drilling Supplied without batteries and charger Electronic control with Constant Speed Control and Soft Start Chamfered open end for easy access Boxed end offers 72 teeth gear and Z Drive to contact the flat wall of fasteners for a stronger grip