1/4" and 1/8" Marked sizes for easy stop-collar identification and optimal workflow; Plus, a split ring design that allows accurate control of depth for the hole to be drilled, making these drill bit depth stop collars ideal for professionals and DIY enthusiast doing production work or repeated drilling projects. For portable drill applications that require perfect, high precision holes with uniform depth. Each bit collar is constructed out of heavy-duty solid steel for long term durability, a secure tightened fit, and a non-marring profile that will not damage your drill bits. This product is sold in sets of 4 stop collars in the requested size. These work perfectly with our SpeedSetter easy collar set tool (3d printed plastic). Note: If the collar does not freely slide onto the shank of your bit, DO NOT FORCE IT and reach out to us immediately. If you are experiencing issues or have concerns with the collars, please reach out to us at [email protected]
