aracari
Well yes and no, they are hard and very compact ,but not sharp. :D
Amazon and wallmart online both have them. Here is a link to amazon http://www.amazon.com/60LB-Price-Computing-Scale-Display/dp/B002AMR7RU
They are both the same. They both weigh 100lb. However, 100lb of feathers weighs more than 100lb of gold, as feathers are measured on the Avoirdupois scale which has 16 ounces to the pound, and Gold, being a precious metal, is weighed on the Troy scale where there are only 12 ounces to the pound.
Amazon
A scale can weigh either one, and it can also weigh a pound of feathers.
A feather can be weighed using a sensitive scale such as a jewelry scale or a scientific balance. Place the feather on the scale and ensure it is settled before taking the reading. Feathers are very light, so a precise scale is necessary for accurate measurement.
One can purchase a scale that will give the accurate weight of fish caught at Amazon and Craigslist. Amazon has 12 scales to weigh fish. The prices are cheap and affordable.
One can find a Tanita scale online on Amazon. They offer a variety of Tanita scales that have many different features. In addition, one can buy a scale on the official Tanita scale website.
The best place to find a balance beam scale would be on Amazon. They offer reviews from other purchasers which can help one determine which scale is best.
A gram scale is a scale that weighs accurately in grams or fractions of grams. I purchased one on eBay for approximately twenty dollars. Amazon would be another good source for them.
The most common type of fish weighing scale is the hanging luggage fishing weighing scale. It can be bought at the websites Amazon, AliExpress and Alibaba to name a few.
Shipping scale's aren't too hard to come by just go to amazon on your browser. Type in shipping scale and you will get a whole list of them choose your favorite at the best price.