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( 5 Reviews ) Write a review on this product!
  • 8 in. Diameter
  • 5 in. Diameter


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Used for the calculation of enlargements and reductions of artwork, photographs and layouts. Provides a number of times of reduction as well as percentage of enlargement or reduction.

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Customer Product Reviews

Rated by: Brett T. in Scottsdale , AZ
Might not use it all the time but when you need one, it's worth the price.
Rated by: Gerald M. in Manchester, MI
This is a wonderful tool. It saves me valuable time setting up my woodworking cuts.
Rated by: Sherry W. in OKLAHOMA CITY, OK
The Proportional Scale is WONDERFUL for sizing pattern copies. I do different types of woodwork and this saves trying several copies before I get the right size. Thanks!
Rated by: Sharon B. in Williamsburg, VA
Thank you for having such a useful item for scaling. I was not able to find this item anywhere locally. It works great for scaling photos, etc up and down in my desktop publishing class. Also extremely useful for my kids for school..
Rated by: Betty H. in Willcox, AZ
A great tool to keep everything in perspective. Just measure the photo and the canvas surface. If the photo is 5x10 and canvas 10x20, match the inner wheel to 5 and the outer wheel to 10. The percentage in the box (200%) is what each item in the photo is to be increased on the canvas to be in proportion to each other.

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