A carefully selected set of metric sized guide bushes for carrying out many of your template routing requirements. These threaded American style of guide bushes offer excellent accuracy and will fit most UK routers with the addition of a threaded guide bush adaptor. Just select the correct adaptor for your router and enjoy the precision and accuracy of this great set. They will also fit many router table insert plates that have a stepped central hole to accommodate them. Set includes 10,12,14,16,18,20,24 and 30mm guide bushes plus a locking ring, all neatly contained in a robust storage case.