7 Pc Depth Stop Drill Bit Collars
36900 
• Includes 1/8", 3/16", 1/4", 5/16", 3/8", 7/16", 1/2" (Bit not included)
• Adjustable collars make drilling fast, easy and accurate
• Slip the collar onto the drill bit and tighten the set screw to allow you to drill holes to exact depth without guess work
• These stop collars are precision machined and balanced from solid bar stock
• Reamed bore is closed-tolerance controlled