Drill Depth Stop Set Ring Drill Bit, Drill Depth Limiter, Positioner Spacing Ring, Depth Limiter Locator With Hexagon Wrench For Woodworking(1s Drill Depth Stop Set Ring Drill Bit, Drill Depth Limiter, Positioner Spacing Ring, Depth Limiter Locator with Hexagon Wrench for Woodworking The Positioner is made of Durable Carbon Steel, Sturdy and Durable, Reusable, Firmly Attached to the Installation Site, And not easy to Slide. Suitable for Twist Drills, Woodworking Drills, Angle Drills, etc. Just Insert the Stop Ring to the Depth Required by the Drill bit, Then Tighten with a Wrench, And Tighten with a hex Wrench. Slide the Collar onto the Drill bit, Use a Ruler or Depth Gauge to set the Desired Depth, And then Tighten the Collar Screw on the Drill bit. Limit the Drilling Depth. Colour: Black Size: 3-16mm in diameter Quantity: 1set 1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering. 2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding. 3. Only the above package contents, excluding other products.