Use with twist drills to prevent excessive penetration. For controlling depth when drilling holes through multiple surfaces. Black oxide finish on cold rolled steel. Sizes included: 3/16", 1/4", 5/16", 3/8", 7/16" and 1/2". Includes hex wrench.
4" Corrugated Cap
1/8 Security Hex Key
3" Vent Pipe Wall Thimble
*Faucet Reseating Tool