$9.99 – Model HRC-3, Application Rockwell hardness tester, Angle a = 120°, Material Diamond + Metal, Overall Length 27MM, Indicated value HRC R = 0.2.
Diamond Rockwell Indenter HRC-3 is for $9.99 (in Banggood). You can create price alert here, copy coupons and view price history. Let’s see what best price is ATM.
Latest coupon and price update (UTC):
Banggood ($9.99)
Banggood warehouse is located in China. As you can see I didn’t find any active coupon for this product right now… You probably want to know if this is a good price. Pretty sweet, this is the lowest price I have ever noted for this product!
Link: Banggood product page
Price: $9.99
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BG8b559b, BGTools8, BGGines, BGTACC18, BG589b2e, BGHTT15, BG20236Tool
(these coupons are old, so probably won’t work)
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Do you need price history chart (for all/most countries) for Diamond Rockwell Indenter HRC-3? There we go. The lowest price was: $9.99.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).