Control the precise depth of your drilling holes, quickly and easily with the POWERTEC 71199 Split Ring Stop Collar, 7-Piece Set. This comprehensive set can be used with the following most popularly used bit sizes: 1/8-Inch, 3/16-Inch, 1/4-Inch, 5/16-Inch, 3/8-Inch, 7/16-Inch, and 1/2-Inch. No more messy guessing or inaccurate measuring; you will achieve accurate, uniformly deep drill holes, repeatedly. Split-ring design allows for a secure fit/grip around the diameter of your drill bits. Tighten collar with the conveniently included Allen wrench. These handy collars are drilled and tapped to ensure that the screw never encounters the bit itself, so they will not damage your bits. You can be confident that you will not drill right through your valuable work pieces/projects. Maximize satisfaction and minimize material loss. Ideal for you portable drilling applications. Precision never had it so easy.
. Create perfect drill holes of precise, uniform depth in your portable drill applications
. Fits the following most popularly used bit sizes: 1/8-Inch, 3/16-Inch, 1/4-Inch, 5/16-Inch, 3/8-Inch, 7/16-Inch, and 1/2-Inch
. Provides secure, dependable grip around the diameter of your drill bit. Delivers quick and easy utility
. Will not mar your drill bits because the collar screw never touches the bit itself
. Included Allen wrench insures optimal fit. Precision-machined solid steel construction, nice fit and finish