This professional grade Protractor features an arm that projects 6" and a head 4 3/4" wide. The deep etched 180 degree scale is precise and easy to read. You will also be impressed by the sturdiness of this tool as both the arm and head are made from 1/8" thick tool steel. A very handy tool for the shop and great for measuring bevel angles when sharpening. In our experience the cheaper steel protractors which are typically made in India tend to be far too flimsy. These cost a little bit more but are well worth it.
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