Pilot Acroball Colors Advanced Ink Pen for $4 from $11 Posted on January 7, 2018 Pilot Acroball Colors Advanced Ink Pen for $4 from $11 About this item The Acroball Colors is an advanced ink ballpoint pen that is designed for high performance writing and a has multiple color options. Pilot Acroball Colors Advanced Ink Pen, Medium Point, Black Ink, 5-Pack Specifications Brand Pilot Color Black Model 31807 Manufacturer Part Number 31807 Assembled Product Dimensions (L x W x H) 0.50 x 7.25 x 3.50 Inches