Functions:
abs engineering plastic carbon spring steel wire tension is full and thick buckle.
specification:
material: abs engineering plastic carbon spring
color: black red
product dimensions: (triple-purpose tensioner) 680*340*30mm/26.8*13.4*1.2in
net weight: (triple-purpose tensioner) 1100g
gross weight: (three-purpose tensioner) 1100g
scope of application: fitness
usage: mainly train the muscles of the upper body and forechest.
main efficacy: exercise arm strength/grip strength/waist strength.