• Protactor ruler w-8 metric scale 1: 1

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.

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.

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.

Rite in the rain # 210 ring binders are durable. Made of polydura and rust resistant metals. Receive replacement 5 5/8 "x 7-1 / 2" sheets.

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

For magnetic sampling, in geology.

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.