Features:
【Functional Design】Drill Positioner Depth Limit Ring Positioner can be fixed on the drill bit to limit the depth of drilling, which is ideal for production work and repeated drilling by actively locking at any position along the drill bit, making your work easier.
【Durable Material】The depth limit ring is made of high-quality carbon steel and is specially designed not to damage the drill bit, making it sturdy, corrosion-resistant and long-lasting.
【Multiple Sizes】The package includes 7 sizes of depth limit drill bit sizes: 0.1 inch, 0.16 inch, 0.20 inch, 0.24 inch, 0.31 inch, 0.39 inch and 0.47 inch. Ideal for domestic and industrial use.
【Easy to Use】The collar is small in size and light in weight, easy to operate and install without complicated steps, and has an extra hex wrench to provide more convenience for operation and help you save costs and money.
【Core Use】The drill bit limit ring is used as a collar on machinery and can be used on twist drill bits or angle point drill bits or any type of drill bit to prevent over-penetration of the drill bit, as well as for any operation where drill bits are used and precision is required.

Specifications:
Material: Carbon Steel
Diameter: 3, 4, 5, 6, 8, 10,12mm
Color: as shown
Used for: Fixed on the bit, Limit the depth of the drill holes

Package Included:
7 x Drill Bit Stop Collar Set
1 x Hex Wrenched for: Fixed on the bit, Limit the depth of the drill holes