copper screw hook 紫铜螺丝钩

bronze screw hook 古铜螺丝钩

SCREW HOOK & SCREW RINGS 螺旋钩及螺旋圈

iron screw hook 铁吊钩

brass square screw hook 黄铜螺丝曲尺钩

brass shouldered cup screw hook 黄铜螺丝弯钩

galvanized iron screw hook 镀锌螺钩

nickel-plated iron screw hook 镀镍铁螺旋钩

mild steel screw hook 软钢螺丝钩