Features: 1) Standard: a) 3-6, 6-8, 8-11, 11-14, 14-18, 18-25, 25-35, 35-50mm b) 1/8"-1/4", 1/4"-5/16"-7/16", 7/16"-9/16", 9/16"-3/4", 3/4"-1", 1"-1-3/8", 1-3/8"-2" Packing: 30 sets/ctn Carton dimensions: 43 x 42 x 28cm N.W.: 20kg G.W.: 21kg