Material Aluminum alloy, Applications Picture Frames / Cabinets / Boxes or Drawers, Color Red, Product Name 90 Degrees Positioning Ruler, Size 120*120mm/140*140mm/160*160mm.
Go down and check coupons out. Remember to check price history if it is available. What is the best price?
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.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in Hong Kong. I am tired of searching coupons, but I found one for you…
Link: Banggood product page
1. ($46.74): BGWDT15
you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BG4c87d9, BG02cf64, BGWT15
(there’s a little possibility that old coupon will work)
Price history and price alert
Here is price history (for all/most countries) for 90 Degrees Positioning Ruler L-Type 160x160mm Suit. The lowest price was: $46.74.
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)).