Standard Pack = 1 piece(s). Accommodates Saws and cutters having five Standard Hole Sizes: 1/2 IN, 5/8 IN, 3/4 IN, 7/8 IN and 1 IN; with thicknesses up to 3/16 IN and Diameters to 4 IN; Locked in telescopic centering assembly accepts Standard cutters, various Wheel b