【Depth Stop Collars】---7PCS M3/4/5/6/8/10/12 Depth stop collars locator made of carbon steel with hardness, wear resistance and corrosion-resistance. Single hole design can lock the drill bit stably, avoiding to deviate when drilling. Wood Drill Bit – Charltons Timberstore 【Function】---7PCS Brad Point Drill Bit + 7PCS Drill Stop Collars which perfect match tools set,accurately control the depth of a hole you are drilling. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. 6/8/10/12mm Ceramic Tile Drill Bits Masonry Drill Bits Drill Glass Brick Concrete and Wall Erbauer Straight Shank Brad Point Wood Drill Bit 14mm x 160mm - Screwfix Great for drilling depth when a precise measurement is needed for hole depth; Brad point drill bit set for professional results with soft and hard wood. 【Wide Application】--- Perfect for wood, fiberboard, particleboard, plywood, plastic, PVC, rubber etc. Coming with hex key for removal and installation quickly. Professional Wood Drill Set For DIY PRECISION ECCENTRIC DRILL Bit 6/8/10/12mm Hole Drill Bit Glass Drill Bit $12.46 - AU Depth Control Drill Bit Kit 【Package Content】--- The item contains 7 Pcs Brad Point Drill(3/4/5/6/8/10/12mm);7 Pcs Depth Stop Collars (3/4/5/6/8/10/12/mm); 1 Pcs Hex Key(with transparent plastic box )-- Total 15Pcs/Pack