Create stylish, bound documents and reports with this pack of flexible and robust 8mm GBC binding wires. Made from tough metal to create a double wire construction, these binding wires allow 360 degree rotation of pages and enable them to lie flat for photocopying and note taking. Compatible with GBC multi-functional binding machines, these A4 (21 ring) combs are capable of binding up to 70 sheets. This pack contains 100 black binding wires.