Abacus Cufflinks are a great gift for any mathematician. The unique mathematical design has a wide range of applications and uses. The geometric shapes of the Abacus have a timeless appeal which will never go out of style. These cufflinks are a great way to add a touch of style to a smart-casual look. The traditional design is a great way to bring out the nerd in anyone. Dimensions 1.5cm x 1cm.