Sturdy geological protractors for field mapping and angle measurement 

We supply a range of geological protractors for use when mapping, with the most popular protractor being the Douglas Square Protractor.

PRO-1000 Douglas Square Protractor

Manufactured from 2mm non-reflecting acrylic with straight edges, the base plate is marked with a line up grid and divided 0 to 360 degrees. The base plate can easily be marked with a chinagraph pencil or soft marker and wiped clean without damaging the surface. The protractors are handy mapping and measuring aids to use either in the office, or in the field and are often used by exploration geologists, land surveyors, foresters, and on boats and yachts for navigational purposes.

PRO-1002 & PRO-1004 W43 & W45 Protractor Rulers

The transparent 180° protractor rulers bestselling models are the W43 & W45. W43 comes with 1:500 and 1:1000 metre scales and the W45 comes with 1:2000 and 1:1500 metre scales. These protractor rulers are laminated for durability.

PRO-1017 General Core Protractor

This protractor is constructed of sturdy stainless steel; unlike plastic protractors, a stainless steel one is built to last and probably the last one you will buy. The measuring tool has a 6" adjustable protractor arm that can be held in place with the knurled locking nut, quickly and easily identify angles. The angle measure has permanently etched graduations for 0 to 180 degrees in opposite directions.