Imperial Blades-10MMV- is a variety pack, 10 different American Made blades. Those blades included are an MM100, an MM110, an MM150, three MM200, an MM250, and three MM300. This model of blade has a universal arbor that is compatible with Fein Multimaster Tools, Dremel Multi-Max Tools, Bosch Multi-X Tools, Chicago Multi-Tool, Craftsman Multi Tool, Harbor Freight Multi-Tool, Milwaukee Tool, Ridged Multi-Tool, and Craftsman Multi-Tool.