Solid Laminate. Accepts Trend Guide Bushes. Supplied With Line-Up Pin And Bush. Ensures Concentricity Of Cutter And Guide Bush. Suitable For :Bosch Gkf600Ideal For Hinge Jig And Lock JigLine-Up Pin Used With A Template Bush To Ensure Concentricity Of The Cutter To The Guide Bush When Fitting The Sub-Base.PTDTREDIRGB5T