Slightly larger and heavier than a standard twist pen, Click Pens and Pencils feature traditional one hand "click" operation with quality components throughout. The pen includes a Parker® style refill with premium Swiss-made carbide tip while the pencil is supplied with a premium 0.5mm Schmidt® cartridge type transmission for dependable, trouble free operation. Instructions included. Finished pen/pencil size: 3/8" x 5 1/4" comes in gold only.