Basically copy coupon, view price history or create e-mail price alert. Let’s see what best price is ATM.
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
1x Screwdriver, 1x 2.5mm Hex Wrench, 1x Main Body and Clamp, 1x 9.5mm Step Drilling Bit, 1x Drill Spacing Ring, 1x Hole Puncher
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($83.15): BGGines
2. ($86.85): BG00c906
just apply this code in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
There were country-specific coupon codes published on Couponsfromchina social channels and price alerts. Coupon price may vary by country, because there’re different VAT rates, shipping cost etc. There is a chance that some latest coupons are still working:
Old coupons (from the oldest to the newest): 0c3fe2, e2bcea, 502C6B, TA12, TS15prime, BGwood4, BG5637, BGAT18, BGWJ15, BGVDay10%off, BG7265, bGhOnEy10, BGherra, BGW614, BGTool02S, BGWJ14, BGWJ5999, BG11906, BGBFCR32, BGPOCK59, BG249320A, BGTOOL43889, BG17331, BGS8614, BGCZ88614A, BGCuponation10, BGWoma15, 13f142, BGHONEY2110, BG4d12d0, BGHU1102, BG8ffe4b, BGf19f2f, 00c906, BGFON15, BGa0b557, BGc8412f
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Pocket Hole Jig with Toggle Clamp and Step Drill Bit [EU] ($-3)
Price history and price alert
Here is price history (for all/most countries) for Pocket Hole Jig with Toggle Clamp and Step Drill Bit.
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)).