•规格:8, 10, 12,13, 14, 15,17, 19S 米

•Size： 8,10,12,13,14,15,17,19mm

•整体采用工具钢锻造

•Hot Drop-forged with high carbon steel

•表面采用镜面抛光，镍镍铬处理，不易生锈

•Suface deal with mirror polish, Ni-Ni-Cr, keep long time good

•检验标准DIN3113

• Accepted standard DIN3113