Custom Drill Stop Positioner, Dowel Shaft Chuck Locator 4/5/6/12/16mm Woodworking Drill Bit Limit Ring Depth Stop Collars Limit Manufacturer

Features:
- High Carbon Steel Drills
- Sizes: 3mm 4mm 5mm 6mm 8mm 10mm 12mm 16mm
- Drill Limited ring, clamping device, positioner .
- Works with both standard and brad-point bits.
- Setscrew type collar will not damage bits.
- Positively locks anywhere along the bit.