Chicago Pneumatic 785QC 3/8-Inch Heavy Duty Drill with Keyless Chuck Harmonic Balancer Pullers Opening size is 6 point

Opening size is 6 point and 3-7/8 inches

Just select the tip with opening that most closely fits locking strip

slid into handle to create a ratcheting screwdriver

(1) 10-Point Star Lug

Manufacturer Part Number: 480350N

Chicago Pneumatic 785QC 3/8-Inch Heavy Duty Drill with Keyless Chuck Harmonic Balancer Pullers Opening size is 6 pointAir Drill, HP Air Tools 0. 50, Chuck Size Air Drills 3 8 In., Drill Chuck Type Air Drills Keyless, Reversing No, Pistol Body Style Air Tools, Free Speed 2400 rpm, General Duty Duty Cycle Air Tools, Torque 0. 77 to 3. 10 ft. lb., Air Inlet Size Air Tools 1 4 In. NPT, Average CFM @ 15 Second Run Time 4. 10, CFM @ Full Load 12. 0, Required Pressure 90 psi, Min. Hose Size 3 8 In., Handle Material Aluminum, Variable Speed No, Throttle Type Trigger,