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180 Degree Protractors

by C-Thru


Calculate angles easily and accurately with C-Thru Protractors. Calibrated in 1/2 degrees, these clear protractors lay flat and increments are printed clearly so that angles can be drawn cleanly and precisely. 1/2 circle printed in black.

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180 Degree Protractors

by C-Thru

Average User Rating:
Based on (1 Review)

David P. from Kentwood, MI says:

These protractors are a great size and having the markings laminated between the top and bottom layers prevents them from rubbing off. However, C-thru really needs to limit the markings to each degree ... [more]

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4 in. 375 $1.10 $0.91 17% Off $0.80 27% Off
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6 in. 376 $1.50 $1.24 17% Off $1.09 27% Off

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Customer Product Reviews Write a Review
Rated by: David P. in Kentwood, MI
These protractors are a great size and having the markings laminated between the top and bottom layers prevents them from rubbing off. However, C-thru really needs to limit the markings to each degree rather than every half degree so you can actually tell one mark from the other. A 4" diameter is simply too small for 0.5 degree increments. The older C-thru model this size only had 1 degree increments.
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