. 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