Product Review

Specifications
Total length included handle 24"
Spring length 11" (27cm)
Weight: 2.19lbs(44lbs load), 2.47lbs(66lbs load), 3.12lbs(88lbs load)
Maximum Load: 20kg/44lbs, 30kg/66lbs, 40kg/88lbs (optional)

Package included:
1 x Power Twister

Boshen remind any exercise should be according to one's strength.