Precise And Consistent Results, Prevent Over / Under Drilling, Ideal For Repeated Hole Depths
Universal Sizes: 1/2″, 7/16″, 3/8″, 5/16″, 1/4″, 7/32″, 3/16″, 1/8″
Split Ring Collar Has 5x Holding Power Vs. Standard Set Screw Design
Quick And Easy Adjustment At Any Point On Drill Bit Flutes / Shafts
Durable, Lightweight Aluminum For Superior Performance Over Steel