422MCN玛斯特锁安全上锁装置安全挂锁产品编码描述钳口内直径可容纳挂锁数量416防火花铝制38mm 111mm25mm6417防火花铝制51mm 124mm38mm6418重型钢制60mm 83mm25mm4419重型钢制60mm 168mm25mm8420MCN钢钳口和乙烯基胶皮手柄44mm 114mm25mm6421MCN钢钳口和乙烯基胶皮手柄60mm 127mm38mm6422MCN黄色安全塔扣,钳口带锁扣25mm6424MCN黄色安全塔扣,钳口带锁扣38mm6427MCN带标签易用卡扣73mm 178mm44mm 54mm5428尼龙绝缘塔扣41mm 175mm25mm 63mm6