1 FAST POSITIONING: With accurate positioning and high locking, this drill limit ring will help you to finish the drilling work quickly. 2 4 SPECIFICATIONS: This drill bit limit ring set is available in 6mm, 8mm, 9mm and 10mm sizes to meet daily drilling positioning needs. 3 BRASS MATERIAL: The whole body of the limit ring is made of brass and fixed by hex screws, which is not easy to wear and durable. 4 WOODWORKING TOOL: Limit rings are suitable for everyday woodworking drilling for positioning, quickly and easily allowing you to drill holes of the same depth. 5 EASY INSTALLATION: The limit ring is strong and stable, compact and easy to install on the drill bit of the electric drill.

What's in the box
1 x Drill Bit Stop Collar