OHTO GS01-G5 Ballpoint Pen - Silver Book Mistakes are no problem -

Mistakes are no problem - simply erase with no smudging or mess

Penco's Drafting Scale makes it easy to keep your designs in proportion

and the sleek barrel and the pocket clip for extra stability

Jeet Kune Do was designed for combat

OHTO GS01-G5 Ballpoint Pen - Silver Book Mistakes are no problem -The OHTO GS01 G5 from OHTO features quick drying, smooth 0. 5mm gel ink and a highly visible needle tip for precise writing. The GS01 G5 has a hexagonal barrel that tapers towards a round barrel at the grip, and has a push button retract mechanism. A full metal construction gives it a solid, premium feel in hand. The pen is made of aluminium, comes with black ink, and is refillable with the PG 105NP Refill Size : 136. 4mm, Diameter9 10. 1mm(max: 12.