铬钒钢制造双层绝缘柄,耐压1000V,欧洲EN60900标准 货号 规格 价格88-112 12mm 157.1088-113 13mm 167.8088-114 14mm 185.1088-115 15mm 189.8088-116 16mm 200.6088-117 17mm 203.1088-118 18mm 209.3088-119 19mm 210.5088-120 20mm 211.8088-121 21mm 212.8088-122 22mm 232.6088-123 23mm 269.8088-124 24mm 273.40