- Lay flat design makes page turning, note taking and photocopying quick and easy.- Lay flat design makes page turning, note taking and photocopying quick and easy; Durable as the high quality PVC resins ensure that GBC combs wont chip, scratch, peel or discolour; Flexible and robust construction; Full range of sizes; Compatible with all CombBind systems- Durable: high quality, PVC resins ensure that GBC combs wont chip, scratch, peel or discolour.- Flexible and robust construction: for repeated de-binding and re-binding of documents.- Full range of sizes: 14 standard sizes capable of binding from 2 up to 450 sheets, making it easy to bind most standard office documents cost-effectively in-house.- Accurate A4 length and hole spacing: guarantee perfect alignment with A4 paper for a professional finish every time. Compatible with all CombBind® systems.- Available in a wide range of colours.- A5 combs (14 rings) are available in 6mm-12mm sizes and are suitable for selected GBC machines.