For fast and accurate joining of timber, MDF, blockboard and plywood giving instant strong joints. Workpiece can be handled immediately after gluing and screwing. Product contents:100 x (No. 7 x 30mm) screws, face clamp, short and long square drive bits, HSS drill bit and collar. Specifications:Material thickness 16-38mm. Hole pitch 29-63mm. Drill diameter 9.5mm. Screw size No.7 x 30mm.