I looked through time and space. This is the best price: $19.99 (in Banggood). Hand Dynamometer Digital Grip Strength Tester 265 lb 120 kg Max Rechargeable Battery USB LED Display Windproof Rubberized Indoor Outdoor Use – BLack.
Updated:
Banggood
Warehouse in China.
Link: Hand Dynamometer Digital Grip Strength Tester 120 kg
Price: $19.99
Additional Banggood coupons:
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2. Second page
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Price history and price alert
Not enough data to show price history chart… $19.99 is the only recorded price. It was not cheaper than that since we have saved it in DB.
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)).