According to my DB the lowest price is $17.99 for Adjustable Aluminum Alloy Cabinet Hardware Jig Shelf Pin Jig (in Banggood). Go down and check coupons out. Remember to check price history if it is available. Do you want to know what the best price is?
Adjustable Aluminum Alloy Cabinet Hardware Jig Shelf Pin Jig with 2 PCS 5mm Drill Bits Woodworking Pocket Hole Punch Locator Drill Guide
Latest coupon code price check (UTC time):
Banggood ($17.99)
Banggood warehouse is located in China. I couldn’t find any coupon for this product on latest product update. Is it cheap? This is the best price in history according to CouponsFromChina database!
Link: Banggood product page
Price: $17.99
This is the best price ever noted in my database!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BG453680
(I don’t think these’re gonna work, but you can try ’em out anyway)
Aliexpress
There’re some similar (or not) items on Aliexpress
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 Adjustable Aluminum Alloy Cabinet Hardware Jig Shelf Pin Jig.
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)).