1. Plastic-impregnated metal hook, wrapped with friction-enhancing fabric for safer use2. Thicken webbing to enhance safety3. The deadlift uses a booster hook, which has a good protection effect and makes up for the lack of arm strength.4. Metal hook wire diameter 1cm5. Weight: one about 140g.6. The default is a one-to-one box, one for the left hand and one for the right hand.

http://olla.gr/1pair-rotatable-weightless-pull-up-booster-belt-without-cotton-horizontal-bar/