Main Features:- Drill limited ring, clamping device, positioner, etc.
- Works with both standard and brad-point bits.
- Setscrew type collar will not damage bits.
- Positively locks anywhere along the bits.

Specifications:
Surface Color: Black
Material: Carbon steel
Stop Collar Sizes: 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm Application: Wood Working Tool
DIY Supplies: Woodworking Package weight: 0.099 kg
Package Size(L x W x H): 6.70 x 6.00 x 0.80 cm / 2.64 x 2.36 x 0.31 inches Package Contents: 7 x Drill Bit Stop Collar, 1 x Hex Wrench