Kreg Easy-Set Drill Bit with Stop Collar & Gauge/Hex Wrench Add a second bit to your Kreg® 300-Series Pocket-Hole Jig or update any Kreg Jig to make working with 1/2", 3/4", and 1 1/2" materials even easier. Features engraved markings for 1/2", 3/4", 1-1/2" and matching Easy-Set Stop Collar. Material Thickness Gauge easily measures the material thickness (1/2", 3/4", 1 1/2"). A 1/4" hex-shank fits standard quick-change chucks. Compatible with all Kreg Pocket-Hole Jigs. What's Included: (1) Easy-Set Pocket-Hole Drill Bit, (1) Easy-Set Stop Collar, (1) Material Thickness Gauge/Hex Wrench Stepped drill bit, stop collar and material-thickness gauge/wrench for Kreg Pocket-Hole Jigs Drill bit features easy-set etched markings for 1/2", 3/4", 1-1/2" materials Stop collar window aligns with etched markings on drill bit for easy setup Thickness Gauge easily measures material thickness, has built-in hex wrench Direct replacement for items included with Kreg Pocket-Hole Jig 320, 310 Also works with K5, K4, K3, R3, Mini and Foreman Stepped drill bit, stop Collar, and material-thickness gauge/wrench for Kreg pocket-hole jigs Drill bit features Easy-Set etched markings for 1/2", 3/4", 1 1/2" Materials Stop Collar window aligns with etched markings on drill bit for easy setup (Replaced CSH's KT.KJD)