- Create perfect drill holes of precise, uniform depth in your portable drill applications
- Fits the following most popularly used bit sizes: 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 9.5mm, 10mm, 12mm, 14mm, and 16mm
- The whole is made of 304 stainless steel, with high hardness, corrosion resistance, high temperature resistance and durability, Great for machinery shaft instruments or on woodworking tools as a bit limit ring
- The double-hole design has a stronger clamping force than a single hole, and the can be stably locked to the drill bit without offset
- Quality assurance for 1 years. We provide 100% satisfaction service, if you have any questions, please kindly feel free to contact us.
