https://habitium.com/ie/milling-tools-and-accessories/587327-set-of-20-parallel-bottom-plates-with-3-mm-bore-for-optimum-machines.htmlGB-587327Set of 20 parallel bottom plates with 3 mm bore for Optimum machineshttps://cdn.habitium.com/1293301/set-of-20-parallel-bottom-plates-with-3-mm-bore-for-optimum-machines.jpg?sto=true&width=480213.53instockOptimum354.24173.639114.4/Milling Tools and Accessories