Stainless steel barrel. Non-slip grip. The original. Make a statement - in writing. Light-weight, durable stainless steel. Non-slip grip for writing ease. Refillable with standard 0.7 mm lead. Also available: M-301 0.5 mm mechanical pencil. Zebra Pen guarantees the performance of this writing instrument. If it fails to perform properly, please return it to Zebra Pen Corp. for repair or replacement. Guarantee is void in the event of abuse or physical damage. Zebrapen.com. Recyclable. Made in Japan.