The CDJ-2 provides a simple and efficient way of creating accurate dowel joints in wood MDF and similar processed timbers. Simply clamp the jig in position and use an electric or cordless drill with the correct sized drill bit to accurately position the required diameter hole. Finally glue the dowels in place to ensure perfect results every time. Designed for drilling 6 8 &10mm dowel holes. Can be used for edge T-shaped and L-shaped joints. Set includes an aluminium jig with pre aligned holes clamps and depth stops 60 dowel pins (20 x 6 8 &10mm).