Hakkin 9Pcs 3 16mm Drill Bit Depth Stop Collar Ring Positioner Locator Durable Heavy Duty Woodworking Limit with Allen Wrench Spacing Set 4 5 6 8 10 12

⚡【𝗗𝗿𝗶𝗹𝗹 𝗕𝗶𝘁 𝗗𝗲𝗽𝘁𝗵 𝗦𝘁𝗼𝗽 𝗖𝗼𝗹𝗹𝗮𝗿𝘀】Used to accurately control the depth of the hole you are drilling, once the stop ring is fixed on the drill bit, it will not shift. Helps you drill holes of fixed depth quickly and easily. ⚡【𝗣𝗿𝗲𝗰𝗶𝘀𝗲 & 𝗘𝗳𝗳𝗶𝗰𝗶𝗲𝗻𝘁】Easy to use, just select the suitable drill bit depth stop ring, slide the stop ring over the drill bit, adjust the required depth with a ruler, and then tighten it. ⚡【𝗣𝗿𝗲𝗺𝗶𝘂𝗺 𝗠𝗮𝘁𝗲𝗿𝗶𝗮𝗹】8Pcs Drill Bit Depth Stop Collars Rings and 1Pcs hex wrench are made of high quality carbon steel for excellent durability, The surface is blackened with anti-rust oil to ensure the anti-rust performance. ⚡【𝗘𝗮𝘀𝘆 𝘁𝗼 𝗔𝗱𝗷𝘂𝘀𝘁】Each stop ring has a locking screw that allows it to lock securely in any position on the drill bit, and the attached hex wrench makes it easy for you to tighten and adjust quickly, accurately control the depth of the hole you are drilling. ⚡【𝗪𝗶𝗱𝗲 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻】Including 8Pcs drill bit depth stop collar ring set, size: 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, 16mm. Suitable for twist drill bits or brad point drills or any type of bit. Ideal for various DIY production work.