$25.99 – 6/12 Inch Woodworking Hole Drawing Ruler Parallel/Vertical Drawing Line T-Shaped Hole Marking Ruler – 12Inch.
I have just checked coupons. The lowest price I could get is $25.99 for 12 Inch Woodworking Hole Drawing Ruler (in Banggood). You can create price alert here, copy coupons and view price history. What is best price?
Latest coupon code price check (UTC time):
Banggood ($25.99)
Banggood warehouse is located in China. As you can see I didn’t find any active coupon for this product right now… Price? Well, this price is higher than average price ($23.49)
Link: Banggood product page
Price: $25.99
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGWT05
(probably won’t work, but you can try them out)
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
Here is price history (for all/most countries) for 12 Inch Woodworking Hole Drawing Ruler. The lowest price was: $22.99.
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)).