Features:
1.【Material】This drill depth stop drill collar kit is made of stainless steel material, sturdy and durable in use.
2.【Application】The stainless steel drill bit depth limiter is suitable for high carbon steel drill bits and can securely lock any position along the drill bit.
3.【Use】These drill bit depth stop rings can be used as woodworking drill bit limit rings, clamping devices and positioners.
4.【Features】Screw type collar will not damage bits.
5.【Function】Drilling depth stop drill bit collar is used to limit drilling and prevent drilling too deep.
6.【Package Included】Includes 12 different sizes of drill depth stop rings and 1 hex wrench. Includes 3mm 4mm 5mm 6mm 7mm 8mm 9mm 9.5mm 10mm 12mm 14mm 16mm stop rings.

Specification:
Material: stainless steel
Size (inside diameter) : 3,4,5,6,7,8,9,9.5,10,12,14,16mm
Weight: 105 g / 3.7 oz(approx.)
Color: silver
Quantity：13pcs

Package list:
12 * Drill Depth Stop Bit Collar
1 * hex wrench