Got pretty good reviews , only 8 bucks
Tacklife via Amazon offers its Tacklife Advanced Digital Protractor
for $16.97. Coupon code "99VNVZNE" cuts that to $8.48. Plus, Prime members bag free shipping. That's $8 under our November mention, $8 off, and the lowest price we could find. It features an LED display and auto shut-off and gives relative and absolute angle measurements. Deal ends February 7.