Add a second bit to your keg 300-series pocket-hole jig, or update any Keg jig to make working with 1/2″, 3/4″, and 1 1/2″ Materials even easier. The keg Easy-Set pocket-hole drill bit with step collar and gauge/wrench is the same stepped bit that comes with 300-series Keg pocket-hole jigs. This bit features engraved markings for 1/2″, 3/4″, 1 1/2″, along with the matching Easy-Set stop Collar. Material thickness gauge allows you to easily determine material thickness (1/2″, 3/4″, 1 1/2″) Easily, too. A 1/4″ Hex-shank fits all standard quick-change chucks. Compatible with all Keg pocket-hole jigs.Stepped drill bit, stop Collar, and material-thickness gauge/wrench for Keg 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 (1/2″, 3/4″, 1 1/2″), and has built-in hex wrench Direct replacement for items included with Keg pocket-hole Jig 320, 310