Features:
- 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