9 pcs 3-16mm Drill Bit Shaft Limited Ring with Wrench Woodworking Positioning Depth Stop Collars Screw Clamp Adjustment

• --Bit stop collars help you drill to precise depths quickly and easily, ideal for production work and repeat drilling, with positive locking anywhere along the bit.
• --Stopper: 3, 4, 5, 6, 8, 10, 12, 16 (mm).
• --Durable alloy steel set screw-type collars stay strong when tightened and are specifically designed not to damage the drill bit.
• --Using set screws, the collars will hold securely where you put them and will control exactly how deep you drill.
• --Material: carbon steel.

Feature:

The drill stop ring is used as a collar on the machine and can be used with twist drills or brad tip drills or any type of drill to prevent over penetration of the drill and any job that uses a drill and requires precision.

Description:
Product name: Limited Ring
Material: carbon steel
Surface: blackened
Specifications: 3/4/5/6/8/10/12/16mm + wrench
Packing list:
Limited Ring x 8
Wrench x 1
Note:
1. Due to manual measurement, please allow 1-3cm error. Make sure you don't mind before bidding.
2. Due to the difference of different monitors, the picture may not reflect the actual color of the product. Thanks.