wolfcraft 4643404 Pocket Hole Woodjoining Jig Kit Pocket hole jig kit features a compact design coupled with durable construction Small size allows it to fit easily into a small toolbox or pouch, as well as work in small or difficult to reach places One-piece, glass-filled nylon, design means no loose parts Preset depths take the guesswork out of drilling All the screws are self-tapping and are combination Phillips/Square Drive