The Unique Home Designs One-way Drill Bit is specifically designed to drive large one way screws, such as those commonly used on security door and window guard installations. Pre-drill holes for best results. Hood prevents slippage.
- Specifically designed to drive large one-way screws
- Hood prevents slippage
- Works with one-way screws up to 3/4 in. in diameter
- Works great for large screws commonly used to install security doors and window guards
- 1/4 in. Drill bit shaft