GBC MB20 MultiBind Heavy Duty Comb and Wire Binding Machine Capacity 270 A4 SheetsDescriptionSpecificationsShipping The GBC MB20 is a durable multi functional binder offering the flexibility to produce comb or wire bound documents. Ideal for small to medium offices, it combines a lightweight design with practical and simple operation. With the capacity to punch up to 20 x 70gsm sheets at once, it can efficiently bind up to 270 sheets using a 28mm comb or 125 sheets using a 14. 3mm 34 loop Wire. Grey colour. Binds up to 270 (70gsm)