1.good quality and low price 2.45# carton steel or CR-V combination spanner,double open end spanner,spanners1.material:carbon steel or chrome vanadium steel2.size:6mm--32mm or 1/4--1-1/43.surface:chrome plated,nikel plated,black nikel plated,mirror polished chrome plated4.package:according to your specific requirements combination spanner