ITEM NAME:7x Woodworking Drill Bit Depth Stop Collars Ring Carbon Steel with Hex Wrench Description Features: 100% brand new and high quality Practical and useful Used for fixed on the bit and limit the depth of the drill holes Specification: Material: Carbon steel Color: Black Diameter: Approx. 0.12inch/3mm, 0.16inch/4mm, 0.20inch/5mm, 0.24inch/6mm, 0.31inch/8mm, 0.39inch/10mm, 0.47inch/12mm Hex Wrench: Approx. 0.67*2.05inch/1.7*5.2cm Package Included: 7x Drill Depth Stop Collar 1x Hex Wrench Note: 1.Please allow a little size error due to manual measurement. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. High quality store for you! 7x Drill Bit Stop Collars with Hex Wrench Drilling Exact Hole Depth Accessories.7x Drill Bit Stop Collars with Hex Wrench Drilling Exact Hole Depth Accessories. 7x Drill Depth Stop Collar. Hex Wrench: Approx. 1x Hex Wrench. Used for fixed on the bit and limit the depth of the drill holes.