【Paper capacity】:These double loop binding can hold up to 60 sheets of A4 paper, totaling 70 grams, meeting your needs. Purchase with peace of mind and use with peace of mind
【Metal inner wire】:The interior of the binding ring is made of iron wire, which is sturdy and , making it easy for you to fix the paper and store it for a long time, meeting your usage needs
【Nylon coating】:The outer layer is coated with nylon, which is waterproof and corrosion-resistant, has good glossiness, is wear-resistant, durable and practical, has a longer overall service life, and is convenient and fast
【 size】:Each binding spine has a diameter of 3/8 inch and a thickness of 0.8 millimeters. The pitch of each spine is 3:1, with 34 double loops that support 360 degree rotation
【Binding lines】:These ring binding lines can be used to bind important documents, files, or reports for upcoming presentations or projects