This premium mechanical pencil has an ergonomic triangular barrel which allows for relaxed sketching & writing. Its non-slip rubber grip ensures a tight and comfortable grip. These pencils are pocket-safe as they have a retractable lead sleeve. They also feature a clip, and a push-button tip made of metal. The pencils come with B leads which are easy to refill, and the PVC & latex-free twist eraser is refillable also. Refill with Marsmicro 250 Leads. Available in 3 line widths: 0.5mm, 0.7mm & 1.3mm.