For hand and arm muscle builder . It increments with 50 LB from 100 LB to 350 LB

. Wrist strengthener for beginners to professionals
. Long lasting meterial: solid high quality aluminum handles with knurling none slip grip

Features:

* For home and commercial usage
* Sale by piece
* One piece per package
* Weight: 0.2 LB
* Warranty: six months warranty