A Drill Stop Collar makes it easy to drill holes to proper and uniform depths. Each collar features steel construction and a hex head set screw to lock onto the outside diameter of the drill bit. Kit contains 7 collars (1/8", 3/16", 1/4", 5/16", 3/8", 7/16" and 1/2"), hex wrenches and storage case.
This tools aids in drilling holes to the proper depths
Hex set screws on each collar
Sizes are as follows: 1/8", 3/16", 1/4", 5/16", 3/8", 7/16" and 1/2"
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