Product Material: This bearing pulley wheel adopts nylon and iron core, made of nylon and sturdy bearing which, super wear-resisting and anti-rust, strong and practical. Sturdy nylon sheaves bearings, no noise and smooth, maximum working load: 1000 lbs.
EASY TO HEADSTAND: As an ideal neck trainer & headstand trainer, yoga inversion bench encourages ease in inversion practice & headstand poses for beginners, without worrying about slipping, tipping, or straining their necks, arms & shoulders.
