Specification: 1.ST0518 Super Thin Continous Rim Cutter with Hub 2.size:4",4.5",5",7",8", ... bagsgrout hole saw kits, carbide grout sawsflexible blade margin trowels, notch trowels, measuring tapesspirit levels, traffic cones, safety protection products, etc ... Japan, Germany, the USA and Australia Super Thin Continous Rim Cutter with Hub