16pcs Drill Stop Collars Kit - Adjustable Depth Limit Rings For Drill Bits, Carbon Steel, Fits 3mm To 16mm Bits For Wood & Wall Drilling

Get perfect drilling depth every time with this handy set of 16 drill stop collars! Made from durable carbon steel with a blackened finish, these collars are super easy to use. Just slide the right size onto your drill bit — sizes include 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, and 16mm (two of each). Set your depth with a ruler or gauge, then tighten the screw with the included hex wrench. Works with twist bits, woodworking bits, brad-point bits, and more. Ideal for wood, walls, or any material where you need consistent, repeatable holes. No damage to your bits, and they're reusable for lots of projects. Great for DIYers, woodworkers, or anyone into home repairs. Makes drilling so much easier and more accurate!