扳手外形双头扳手制式公制对边尺寸2mm特性普通加工定制是表面处理半抛喷砂材质45#钢规格5.5*7,6.7,8*10,9*11,10*12,12*14,13*15,13*16,14*17,16*18,17*19,19*22,18*21,22*24,21*23,24*27,27*30,30*32,32*36,32*34,34*36,36*41,41*46,8*9,10*11,12*13,14*15,16*17,18*19,20*22,25*28,24*26,s13*15品牌阳工型号5.5*7山东聊城