While a pencil works great with rite in the rain products, sometimes a pen is needed. Don't worry about running out of ink, refills will accommodate all models of rite in the rain pens.

Field resistant PolyDura covers. Chromium, rust resistant metals. Transparent storage pocket. Holds standard 4-5 / 8 ”x 7” cut-sheet paper with six rings.

The Industrial Planner in aluminum is exclusive and resistant, designed and manufactured by Synergy Supplies . With leather case for rulers and 10 compartments for pens.

Size - 36 in x 500 ft roll weight - 33.25 lbs. Patented large format rite in the rain xerographic paper for drawings and specifications. No more laminating your important documents to use on your project. All weather paper.

Rite In The Rain Transit Polydura Bound Notebook # 300. Rite in the Rain® field books allow you to work efficiently in any weather and still protect your valuable data.

Universal Pattern, Yellow PolyDura Cover, 50 Sheets (100 Pages). Waterproof paper: 100 pages / 50 sheets per pocket notepad. All-weather paper doesn't get wet when wet and repels water, sweat, grease, mud and will even survive accidental...

Field desk for geologists and professional explorers. Stores 8 1/2 x 11 in. Sheets (up to 200 sheets), pencils and other field equipment inside the durable polydura plastic housing. With a warmer feel than a conveniently lightweight and...

The small rite in the rain # 204 ring binders are durable. Made of polydura and rust resistant metals. This small size binder is designed to fit 4 "x 6 1/2" replacement sheets.

There are many granulometric scales in use, but the Udden-Wentworth scale (commonly known as the Wentworth scale) is the most widely used in geology.

For magnetic sampling, in geology.