The inner diameter is 1.25 incn(32mm), fits all vacuum cleaners accepting 1-1/4incn inner diameter attachment such as Hoover, Bissell, Eureka, Royal, Dirt Devil,Electrolux,Panasonic, Kenmore,Shop Vac, Oreck etc.
Natural horsehair bristles,considered the best material for vacuum cleaner tools.
Removable soft rubber to assure correct height, ease of use and to prevent scratching. The Head Swovels 360 Degrees and the brush enable it get arougnd and under furniture easily.
Size:12 inches (300mm)wide, covers larger surface.not fit Miele,Dyson,Shark
The front brustles have spaces between them to let larger particles through. Also works well on rugs.