常用线径与规格线径(mm)圈内径圈内径(mm)圈外径(mm)2.05分14.518.52.26分19.523.92.46分19.524.32.56分19.524.52.21寸25.429.82.31寸25.4302.41寸25.430.22.51寸25.430.43.01寸25.431.42.5寸二31.536.53.0寸二31.537.52.5寸半38.543.53.0寸半38.544.53.01寸644502.52寸50.855.83.02寸50.856.83.42寸50.857.63.32寸50.857.43.52寸50.857.83.02寸半63.569.53.52寸半63.570.53.82寸半63.571.14.02寸半63.571.54.53寸76.585.54.03寸半9098颜色有;白镍,银色,金色,黑色等可根据客户要求定做.本厂位于：《中国日用五金之都》 广东省南海区丹灶镇金沙，专业生产文具五金配件，手袋五金配件，服装五金配件：书圈，活页夹，台历圈，长尾票夹，弹簧夹，活动卡圈，三连书圈，浴帘钩，葫芦扣，打孔钳，年头夹，笔记本活页圈，铁线扣，鸡眼，撞钉，水桶钉，弹公扣，异形扣等各类五金配件。