Plastic Drill Stop - 1/4 to 1/2 in.

Drill Bit Stop Plastic Collar

This medium-sized plastic Collar is to set the depth when drilling

For 1/4 to 1/2 Drill Bits

You can also use tape to gauge the depth of a hole you are drilling. When working with countersinks, a Metal Collar will help create perfect drill holes with high precision and uniform depth. This plastic one is the right price for the simple jobs.