Milwaukee 48 22 9340 4pc 1 4” Drive Extension Set power pack Red Battery Amp Hour (Ah) jobsite vacuum Red Battery Amp Hour (Ah) *: 2 Battery Composition: Lithium Ion (Li ion) Battery Voltage *: 4 Includes Charger: Yes Chuck Size (in)*: 1 4 Clutch Settings: 21 CSA Certified: Yes ETL Listed: Yes Rocker Switch: Yes Maximum RPM *: 600 Maximum Torque (in lbs): 44 Number of Batteries Included: 2 Number of Batteries Required: 1 Overload Protection: Yes Reverse Function *: Yes UL Listed: Yes Variable Speed *: Yes Handle Grip Design: In line Number of Clutch Settings: 21 Switch Type *: Rocker Battery Type: Lithium Ion Housing Material: Plastic Material *: Steel Battery System *: M4™ Chuck Type *: Hex Quick Change Motor Type *: Brushed Batteries Included Bare Tool: Battery Included Product Type *: Cordless Screwdriver Rotations Per Minute Range (RPM): 0 600 Power Tool Branding *: Brushed Surge™ *: Not Featured Integrated Work Light: Not Featured Inline or Pistol Grip: Inline Forward Reverse Rocker Switch: Yes Corded Cordless: Cordless Powered Tool Power Source: Electric Cordless Brushed Or Brushless Motor: Brushed Handle Type: InLine Chuck Design: Keyless With an integrated tape measure clip that also works as a bottle opener and 4 storage pockets Largest Knurling Surface Precision Control Each extension has knurling on the female drive end to help when hand tightening fasteners or working with oily materials