BENLIUDH 100 Pack Binder Rings Book Rings Metal Ring Clips for Index Cards Book Binder Key Office and School (Black, 1/2 Inch)

BENLIUDH 100 Pack Binder Rings Book Rings Metal Ring Clips for Index Cards Book Binder Key Office and School (Black, 1/2 Inch)

• Materials: Made of high quality iron, nickel plated. Durable and sturdy, not easily deformed
• Size: 0.59 (1/2) inch diameter, the listed diameters of O ring clips are measured from the inner edge
• Multi-purpose Binder Rings: Wide range of uses such as loose-leaf, memo filing, key rings and sample holders
• Easy to Open and Close: Metal round rings can be split into two halves and is held together by a metal swivel rivet which is located at the center of the ring, pull to open and squeeze to lock, lock tight make sure not easy fall out
• Package Quantity: 100pcs book rings, you can easily connect many flipcharts, paper cards, name tags, instructions or plastic sheets together