Retro 51 Hex-O-Matic Collection Style:Mechanical Pencil Its compact design features a

Its compact design features a seamless build with no sharp edges

All models have fittings to match

Crystal clear PVC plastic

individually numbered top ring and the Smithsonian sun logo on the finial

Retro 51 Hex-O-Matic Collection Style:Mechanical Pencil Its compact design features aRetro 51 Hex O Matic Collection The Hex o matic is back! These Retro 51s are made with precision to maximize your efficiency. Sometimes stepping away from your computer and jumping into the challenge with just the basics will allow you to find the answer. The sturdy metal barrel coupled with knurled grip area gives it a great weight ready to perform in the clutch. The textured grip section and hexagonal barrel are constructed from brass giving these