Rite in the Rain Weatherproof Mechanical Pencil, Orange Barrel, 1.3mm Black Lead (No. OR13)
Do you prefer using pencils but fear they'll break when it matters most when out taking field notes? You're not alone. The Rite in the Rain Mechanical Pencil may well be the last pencil you'll ever need to buy. True to the Rite in the Rain brand, this pencil is tough, reliable, and writes no matter what. A hefty 1.3mm lead is not only tough, it writes smoothly on Rite in the Rain and other papers.

Rite in the Rain Weatherproof Eraser Refill, 6 per pack (No. 13ER)
Rite in the Rain All-Weather Notebooks can hold up to writing in the rain, but your handwriting might suffer under rough conditions. If you find yourself burning through erasers trying to clean up the notes you took on that whitewater rafting trip, stock up on these handy eraser refills.Erasers fit the 13 series Mechanical Pencils.