Latest update shows that Toggle Latch Clamp GTY BRH 4001 with Quick Clamping 4pcs costs 6.99 USD (in Banggood). You can create price alert here, copy coupons and view price history. What is best price?
Latest coupon and price update (UTC):
Banggood (6.99 USD)
Banggood warehouse is located in China. So I have checked for active coupons (all category coupons and old ones), but there was no working coupon in Banggood. You probably want to know if this is a good price. Well, this price is higher than average price (5.49 USD)
Link: Banggood product page
Price: 6.99 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGWDT15
(you can check these old coupons out, but these probably won’t work)
Aliexpress
Here are coupons that you can use.
Price history and price alert
Here is price history (for all/most countries) for Toggle Latch Clamp GTY BRH 4001 with Quick Clamping 4pcs.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).