Features: 1) Size: 7/8" (22mm), 1-3/8" (35mm), 1-3/4" (44mm), 2"(51mm), 2-11/16" (68mm), 3- 1/4"(83mm) 2) 1 arbor: 1/2" (13mm) 3) 1 arbor: 5/8" (16mm) 4) 1 arbor adapter Packing: 10 sets/ctn Carton dimensions: 47 x 34 x 39cm N.W.: 15kg G.W.: 17kg