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.

Get the same rite in the rain quality with replacement 4 "x 6 1/2" blades. Get the same rite in the rain quality with replacement 4 "x 6 1/2" blades. Fits No. 204 Ring Binder. Sold in packs of 100 sheets.

These are the loose sheets that professionals use. Special 6-groove round punches fit Rite in No. 200 (43455), No. 9200 (49440), and No. 9200T (49441) Rain Ring Binders. 4-5 / 8˝ x 7˝ sheet size. Pack of 100 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.

Ideal for field work performed by professionals in geology and mining. It incorporates sixteen pages of geological information, including: grain size scales, soil classification, geological map symbols, rock classification diagrams, geological...

15 CM PLASTIC SCALIMETER WITH 12 STANDARDGRAPH SCALES

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...

Tungsten carbide-tipped pencil for estimating the relative hardness of minerals; it also consists of a permanent magnet to establish magnetic minerals.

These are the loose sheets that professionals use. Special 6-groove round punches fit Rite in No. 200 (43455), No. 9200 (49440), and No. 9200T (49441) Rain Ring Binders. 4-5 / 8˝ x 7˝ sheet size. Pack of 100 sheets. Tough, durable and weather...