These Solid Copper & Brass Mechanical Pencils Were Designed to Outlast Their Owners By Centuries
Copper weighs 8.96 grams per cubic centimeter. Brass comes in at around 8.5. Those densities mean something when you’re holding a pencil for hours at a time, and Nicholas Hemingway has built an entire design philosophy around that fact. His clutch pencils are machined from solid metal bar stock rather than hollowed-out tubes or plastic…