•Stop collar and material-thickness gauge/wrench for Kreg® Pocket-Hole Jigs
•Works with materials from ½" to 1½" thick
•Easy-set etched markings for ½", ¾", 1½" materials
•Thickness Gauge easily measures material thickness from ½" to 1½" and has built-in hex wrench
•Direct replacement for drill bit included with Kreg® Pocket-Hole Jig 320, 310
•Also works with K5, K4, K3, R3, Mini, and Foreman