Drill Stop Rings Kit, 8PCS Limit Ring Dowel Depth Stop Carbon Steel Bits Depth Ring Positioner Stop Depth Drill Collar Stop Rings with Hex Wrench for Drill Bits Consistent Drilling

• Carbon steel: The drill depth stop made of carbon steel, sturdy and durable.
• Accurate depth for drilling work: Mainly use to set the boundary depth on the drill. Carefully check the depth of the drill hole you drill.
• Methods of use: Select the appropriate drill size and stop the collar, slide the collar over the drill and adjust the desired depth with a ruler or depth gauge. Then tighten the collar on the drill.
• Diamond: Available in four sizes: 3 mm, 4 mm, 5 mm, 6 mm, 8 mm, 0 mm, 12 mm.

Functions: Condition: High quality. Used for: Attached to the drill, limit the depth of the drill holes. Specifications: Material: Carbon steel diameter: 3, 4, 5, 6, 8, 10, 12 mm. Package includes: 7 piece drill stop collar set + wrench