Attaches to drill bits with a set screw just like conventional stop collars, but that's where the similarity ends: Under the Slip Stop polymer boot is a special low friction polymer disc bearing that allows the boot to rotate freely when it contacts the stock. Works with True Position Drill Guide line boring extensions. Made in USA
- Fits 5mm drill bits
- Ideal for True Position Drill Guide line boring products
- Won't mar or burn your work piece
- Stainless Steel