Heavy duty pocket hole jig, designed for large outdoor projects, anti-corrosion layers for long term moisture resistance, for use with 1-1/2″ materials & up, stop block for easy, repeatable registration to the workpiece, face clamp for locking into the jig for secure drilling, hex-shank, quick change compatible, works with the k3 & k4 kreg jig & jig master system, includes 1/2″ heavy duty drill bit, stop block, 6″ driver & stop collar.