Ratched Wrench Material:45#carbon steel high quality,great variety of goods size:7-9,8-10,11-12(13-14),15-17,19-21( Ratched Wrench1. Material: 45#Carbon Steel,40CR,40CR-V2. Surface Treatment: chrome plated,matte finish,satin finish and Ni-Fe alloy plated3. Torque: meeting the ANSI standard,Quanlity can reach the GB,DIN & ANSI standard4. Size: 7-9,8-10,11-12(13-14),15-17,19-21(1/4-5/16, 3/8-7/16,1 ...