Description The Retro 51 Tornado Pencil in Stainless, is a 1.15 mm pencil that operates with a simple twist of the top and has a huge eraser on top for those of us who make an occasional mistake. The Stainless Pencil sports a brushed stainless body with shiny chrome trim. The thicker lead helps to prevent breakage, and the pencil comes with a generous supply of both extra lead and erasers.