9 Pcs Depth Stop Collars, Adjustable Drill Stopper, Drilling Depth Stops, Drilling Depth Stop Collars, Limiting Collars with Hex Wrench 3-16mm(Black)

【Durable】The positioner is made of durable carbon steel, sturdy and durable, reusable, firmly attached to the installation site and not easy to slip.
【Size】The package contains 8 depth stop rings of different sizes ( 3/4/5/6/8/10/12/16 mm), which can be used for various types of drill bits.
【Wide Range of Uses】Suitable for twist drills, woodworking drills, drills Angle, etc.
【Easy to Use】Just Insert the Stop Ring to the Depth Required by the Drill Bit, Then Tighten with a Wrench, And Tighten with a Hex Wrench.
【Drilling Depth Control】Slide the Collar over the Drill Bit, Use a Ruler or Depth Gauge to Set the Desired Depth, Then Tighten the Collar Screw to the Drill Bit. Limit the Drilling Depth.
How to Use the Drilling Depth Stop Ring:

1. Take a Drilling Plug of the Right Size and Slide It to the Required Drilling Depth.
2. Align the Locking Screw with the Body to be Drilled.
3. Use the supplied Allen key to Tighten the Locking screw.
   Specifications:
   Material: Carbon Steel
   Color: Black
   Size: 3 / 4 / 5 / 6 / 8 / 10 / 12 / 16 mm
   Hex Key: 17mm, 55mm
   Package Includes:
   8 x Drilling Depth Stop Ring
   1 x Hex Wrench
   Reminder:
4. Due To Manual Measurement, Please Allow 1-3mm Error.
5. There May Be A Slight Chromatic Aberration In The Image.
6. Please Keep Children Away From This Product To Avoid Accidental Ingestion.