Adjustable resistance levels: Allows users to customize training intensity for progressive overload
Dual resistance modes (light spring and hard spring): Offers flexibility for different grip and strength targets
Multiple wire diameters (2.5 mm and 2.8 mm): Supports varied resistance and training needs
Durable construction: Built to withstand repeated heavy use
Compact design: Easy to store and transport
Summarized by Shop
Adjustable resistance thumb trainer from Otevoima;
includes both soring
Light spring: 2.5mm wire diameter, top resistance 8kg/18lbs, bottomed out 13kg/29lbs.
Hard spring: 2.8mm wire diameter, top resistance 13kg/29lbs, bottomed out 20kg/44lbs.
Top Resistance
8 kg (18 lbs) (light spring), 13 kg (29 lbs) (hard spring)
Bottom Resistance
13 kg (29 lbs) (light spring), 20 kg (44 lbs) (hard spring)
Wire Diameter
2.5 mm (top), 2.8 mm (bottom)
Color
Silver, Black
Pattern
Solid
Summarized by Shop
5.0
4 ratings
5
4
3
2
1
Love it!!
Freddy · August 24, 2026
Feels good. I think this will help me on my journey to lifting an Inch.
