25-2550 IS A 25MM X 50MM METRIC 25 SERIES RECTANGULAR T-SLOT PROFILE WITH SIX OPEN T-SLOTS, TWO ON EACH 50MM FACE AND ONE ON EACH 25MM FACE. THE PROFILE IS SMOOTH, WHICH MAKES IT RESISTANT TO DIRT AND DEBRIS BUILDUP WHILE ALSO BEING EASY TO CLEAN. THE 25-2550 PROFILE IS COMPATIBLE WITH 25 SERIES FASTENERS. THE CENTER CAVITY OF THE PROFILE CAN BE PRESSURIZED UP TO 1.034 N/MM2 (150 PSI), LENDING ITSELF TO WORK SPACES, MACHINE GUARDS, DISPLAYS AND PANEL MOUNT RACKS.,