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C-Thru 30cm Triangular Metric Scale
Triangular Scale is constructed of high impact plastic. Open, fully divided graduations(1:2.5,5,10,20,50,100m). Supplied in plastic sleeve. Also available in engineers. 
C- Thru 30cm Triangular Metric Scale
Triangular Scale is constructed of high impact plastic. Open, fully divided graduations(1: 100, 200, 250, 300, 400, 500m). Supplied in plastic sleeve. Also available in engineers.(Item #9364)
Triangular Engineers Scales
Triangular Scale is constructed of high impact plastic. Open, fully divided graduations(10,20,30,40,50 and 60 parts/inch). Supplied in plastic sleeve.  Available in 4", 12"
$6.60 – $11.35
Allen Engineering Scale
The Allen Engineering Scales are designed specially for use on maps in posting wells and tracts of land etc. (Item #9375)
Allen Miscellaneous Scale

The Allen Miscellaneous Scales are designed specially for use on maps drawn to a proportional scale such as 1:1000, 1:250,000 etc. (Item #9380)

Map Tools Adventure Set of 4 Map Rulers
The Adventure Set Replaces the Coordinator Ruler. Map Rulers - Adventure Set -- The four most common map scales an outdoor adventurer will encounter in the Continental United States. 1:24,000 1:62,500 1:100,000 1:126,720 (Item #9592) 
Transparent Triangle
Clear Triangles are made of sturdy plastic with inking edges to eliminate smearing. Double bevel, cut-out centers make them easy to pick up. Choose from 30° / 60° and 45° / 90° angles and 6"and 12" sizes.
$1.89 – $2.00
W & G Douglas Protractor
Made in Australia, the "Douglas" protractor is a square protractor and parallel rule. The protractor is useful in reading a bearing, laying out a course or for finding a magnetic course.(Item #9332)
C-Thru All Purpose Template
This general purpose template contains conventional shapes, including circles, squares, triangles, hexagons, rectangles, and arrows. It has a handy inch scale. Outer dimensions are 4½" × 6".
Multiscale Quadrangle Map Scale
Ultimate pocket-sized set of map scales. Includes the 12 commonly used map scales for measurement of distances on topographic quadrangle maps and aerial photographs used worldwide. Consists of six leaves, precision printed both sides on white laminated vinyl. Silver gray vinyl jacket. Each scale reads directly in feet, miles, meters, and chains. (Item #9382)
Map Tools 1:24,000 Scale Pocket Size UTM Grid
Convenient see-thru UTM Grid reader to plot UTM or MGRS coordinates on a 1:24,000 scale map. (Item #9596)
Map Tools Pocket Sized UTM Corner Rulers
A corner ruler will allow very precise measurements to be made within the existing map grid square. Each corner has a small hole to allow for placing a mark on the map. The Pocket Corner Tool contains the following three scales: 1:24,000, 1:25,000, 1:50,000.(Item #9594)
Map Tools Using your GPS with UTM Coordinates 3rd Ed.
This booklet is a great starting point for beginning GPS users and those who want to learn the UTM Coordinate System. 29 page booklet includes Pocket sized UTM Grid Reader for 1:24,000 scale maps. 
Peco 40 Acre land Locator - (A)
Two scales, 1” = 2,000 ft. (1:24,000) and 1” = 1 mile (1:62,500), to fit standard detail maps used by the USGS. Holes punched to mark 40 and 10 acre boundaries with pencil or ball pen and from which smaller parcels may be located. Includes a fractional acres reference table showing square foot areas of various fractional acres, approximate lot sizes, and formula for conversion of acreage, or fractional acres, of a given measurement for a parcel of land. Template is 3-5/8” x 6-5/8”. Stiff frosted plastic.
Land & Slope Indicator Template
Land and slope indicator template is for determining percent grade of contours using USGS topographic maps. (Item #9357)Contains slope % scale for 15' and 7.5' maps. Transparent plastic. 6-1/2" x 4-3/4". Shpg. wt 1 lb.
Plastic Angle Finder
The General Tools Angle Protractor is a practical tool for measuring and duplicating difficult angles where a standard protractor cannot fit. The Protractor works on outside, inside, and sloped angles from 0 to 16" degrees. The four-piece design adds additional versatility for measuring particularly difficult angles.(Item #1670).
Core Orientation Steel Protractor
Heavy gauge metal won't bend and makes a great cutting guide. Clear embossed markings. Pivot with lock screw. Marked 0 - 180 and 180 - 0 degrees. Rule marked 0 - 10cm Ideal for engineers, craft persons, model makers and more. (Item#1671)
Core Orientation Multi Use Rule and Gage
The Multi-Use Rule and Gage is a popular, pocket-sized tool providing a variety of functions. The tool encompasses five distinct features including a Drill Point Gage, Bevel Protractor, Center Finder, Circle Divider and a Tap and Drill Table. The Multi-Use Rule and Gage is made from heavy-duty stainless steel and also includes a 4” rule with etched graduations in 64ths and millimeters. (Item#1669)
Core Orientator - Goniometer
Provides a quick method for accurate measurements of crystal specimens and solid angles. (Item #7282)