Black 50mm 4D Presentation Ring Binder (10 Pack) WX47660With an easy-to-open 4D ring mechanism and a 50mm spine capacity, this black presentation ringbinder is great for everything from presenting projects to archiving. A pocket on the front and the spine allows you to add your own labels.    Hard wearing and practical with front cover and spine pockets    Will sit nicely on a shelf or desktop    Ideal for home and office filing    4 D-ring mechanism    Size: 310x280mm (fits A4 sheets)    Pocket on the front and the spine    Supplied in a pack of 10    Colour: Black    Capacity: 50mm