Drilling Jigs Accessory has greatly simplified your woodworking projects. Pocket hole drill guide.Works well with manual pocket hole jig system or alone Small tip includes a clearance hole for the screw shank Large diameter creates a flat-bottomed hole. It penetrates easily into any type of wood and leaves a clean hole. Drill bit tools for use with pocket hole joinery and a perfect replacement Size: 160mm Material: steel Color: silver Package Contents: 6 * Drill Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.