WORTHER Spiral Mechanical Pencil 0.5mm and Ballpoint Set - Anodised AluminiumThe WORTHER Spiral is the ideal combination of ergonomic design and function. This is a design you will love to hold. Made with hexagonal profiles, twisted to give spiralling lines, anodised aluminium with a stainless steel clip integrated into the design. In natural finish and black. Available as ball point pen with a giant blue refill and as mechanical pencil for 0. 5 mm HB fine leads. Integrated eraser. Presented in a cardboard corrugated pen box.