The Pocket Jig Kit is an repair jig and an exceptionally addition to any tool collection. Easy to adjust for materials from 0.4 inch-1.97 inch(10mm-50mm) thick. Easy to use and install - First, use the jig to drill steeply pitched counter bores in one joint member; then, drive -tapping screws (without pilot holes) into the other member. collection - this jig creates flush, and pocket hole joints for leg-and-rail connections, building face frame cabinets, sneaking screws into spots, and fastening frames with applications. Pocket hole jig system for do-it-yourselfers. Heavy duty - the jig kit has an aluminum extrusion and solid metal drill guide Color: blue Material: metal Package Contents: 1 x Main Body and Clamp 1 x Hole Puncher 1 x 9.5mm Step Drilling Bit 1 x Drill Spacing Ring 1 x Screwdriver 1 x 2.5mm Hex Wrench 1 x Screw and Plug Kit (random color Do not accept designation) Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.