•规格:6, 7, 8, 9, 10, 11,12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 27, 30, 32毫米

•Size： 6, 7, 8, 9, 10, 11, 12,13,14, 15, 16, 17, 18,19, 20, 21,22, 23, 24, 25, 27, 30, 32mm

•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