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.
9" Double Catch Basin Kit
#116 O Ring
#122 O Ring
6" Segmented Diamond Blade