Material: PlasticFits Inside Vacuum Cleaner Hose Ports On Bosch Routers, Planers, Grinders And Circular Saw Tools And AttachmentsDesigned For Use With Common North American Vacuum Hose Sizes, 1-1/4" And 1-1/2"Used To Connect 1-1/4" To 1-1/2" Vacuum Hoses And AccessoriesUsed On Bosch Tools Model 53514, 53518, 1250DEVS, 1274DVS, 1275DVS, 1276D, 1276DVS, 1294VS, 1278VS, 1370EVS, 11221DVS, 1773AK, 1775E, FS2000, 3365, 1594, ROS10, PL1682, PL1632 And PL2632