GLFILL 3Pcs Drill Stop Collar 5-11mm Woodworking Drills Locator Drill Bit Limit Ring

Feature: *Metric and imperial drill limit ring forged by zinc alloy anti-rust high strength long service life. *Designed to grip the entire diameter of your drill bit without screw ever touching the shaft. *Used to accurately control the depth of the hole you are drilling hold securely in place where you put them. *Help to limit the depth of drilling hole as you want. *Equipped with a hex wrench for convenient use. *Easy to use just insert the stop collar on the drill bit to to the desired depth and tighten by wrench. *The positive and negative metric and imperial systems are integrated suitable for different styles of drills with a diameter of 5-11mm. Specifications: Product name: Drill Stop Collar Material: Zinc alloy Color: Grey Front Size: 6mm 8mm 10mm Back Size: 1/4 5/16 3/8 Suitable for: accurately control the depth of the hole you are drilling hold securely in place where you put them. Quantity: 4pcs set Package Included: 3 × Drill Stop Collar 1 × Wrench Note: 1.Transition: 1cm=10mm=0.39inch. 2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 3. Please allow slight manual measurement deviation for the data.