... Mo alloy Steel 2) 7/16" - 1-1/4" 3) ISO9001:2000, CCC 1/2" Axle Nut Socket DEEP / SAE / WITH GROOVE ... Specifications:7/16, 1/2, 9/16, 5/ ... 3/4, 13/16, 7/8, 15/16, 1, 1-1/16, 1-1/8, 1-1/4ALL ARE AVAILABLE LENGTH: 78MM Packing details: single ... your best choice.Thanks for visiting our website!! 1/2" Axle Nut Socket DEEP/SAE/WITH GROOVE