$29.99 – Surface treatment anodic oxidation treatment, Material of drill bushing Steel HRC50°, Adjustment nut Brass nuts, Suitable wood size 17-60mm, Positioning dowel 6/8 /10mm, Material aluminium alloy 6061.
ATM you can buy Drillpro Self Centering Dowelling Jig Metric Dowel 6/8/10mm for $29.99 (in Banggood). Price history, coupons and price alert are available on this page. You probably want to know what is the best price?
Latest price update (UTC time):
Banggood ($29.99)
Banggood warehouse is located in China. There are no active coupons for this product, but the price is pretty low isn’t it? Is it a low price? Looks like a good price to me (average is $32.66).
Link: Banggood product page
Price: $29.99
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BG409196, BG17331, BGDRB18, BG052856, BGherra, BGUS2856A, BG82d3bd, BGd40bb3, BG2f32c8, BGWT15, BGa0b557, BG442aa8, BGWDT15, BG20236Tool
(you can check these old coupons out, but these 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
Check out price history chart (for all/most countries) for Drillpro Self Centering Dowelling Jig Metric Dowel 6/8/10mm. The lowest price was: $26.99.
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)).