CARL Loose 50 Ring Diameter 50 Black Ring, Sheets, 10mm, Pieces, LR-30105-K

This is a Japanese-made "loose ring" that can be bound on loose-leaf or perforated paper, and can be replaced as many times as you like. [Supported sizes] A4 size from 30 holes to 1 hole (can be cut and processed with scissors) The product itself can be cut, so it can be cut to A5/B5 size or notebook size. [Hole punch compatible models (sold separately)] GP-2630A, GP-20, GP-6, SP-30N, GSP-30, Z-10 [Body material] Plastic [Body size/weight] W15xL280xH15.5mm / 6.4g