Tombow MONO graph MULTI MONO Eraser × Multi-Function Multi Pen MONO Eraser + Ballpoint Pen (Black/Red) 2-color oil-based ink Mechanical Pencil 0.5mm lead diameter *No packaging or bags are included from the time of purchase. Official Website https://www.tombow.com/products/monograph_multi/ Retail Price: 660 yen (tax included) / per pen This is a multi-function multi-pen with a twist-out MONO eraser. [ Specifications ] ■ Ballpoint diameter: 0.5mm ■ Mechanical pencil lead: 0.5mm ■ Ink: Oil-based dye (black/red) ■ Made in Japan Type...Multi-function pen Type...Multi-color ballpoint pen