Product Review

Big Horn's 7 piece split ring stop collar set is designed to grip the entire diameter of your drill bit without screw ever touching the shaft. Used to accurately control the depth of the hole you are drilling. These split collars hold securely in place where you put them every time. Sizes fit bits 1/8-Inch, 3/16-Inch, 1/4-Inch, 5/16-Inch, 3/8-Inch, 7/16-Inch, and 1/2-Inch. 7-piece set comes with allen wrench. WARNING: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.