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The Hillman Group 4-Pack 1-in Allen Security Screwdriver Bits
Item # 439423 Model # 45811
- Security star drive insert bits have durable steel driver bits and an 1/8" star drive
- Bits are held in a tool called a drill, which rotates them and provides torque and axial force to create the hole
|Bit Shank Diameter||1/4"|
|Head Type||Allen Security|