For fast and accurate joining of timber and plywood giving strong instant joints solid hardened bushes with variable pitch of 29mm to 63mm use on timber mdf plywood and blockboard allows a variety of joints to be created individually uses square drive self tapping screws workpiece can be handled immediately after gluing screwing creating time saving benefits no clamps required whats included100 x dome head screws1 x face clamp1 x hss drill bit with collar1 x 75mm square drive bit1 x 150mm squa