- Drill bit stop ring: non-slip texture on the surface, can be manually tightened, simple and practical, easy to use.
- Woodworking drill bit collar: the inner diameter can be adjusted, and can be fixed on different positions of the drill bit to accurately control the drilling depth.
- Drill bits depth stop: nylon inner ring, easy to lock, not loose, you can use with peace of mind.
- Drill bit: the outer ring is made of aluminum alloy, which is durable, beautiful and lightweight, can be used for long time.
- Metal drill bit positioner: quicker adjustment, precise control of drilling depth, making drilling faster and more accurate.