link to Shidekaifa Door Way Chin Up and Pull Up Bar, No Screws Chin Up Bar with Locking Mechanism, Door Corridor Aisle Wall Horizontal Bar for Home Gym Exercise Fitness, 28”-51”

Shidekaifa Door Way Chin Up and Pull Up Bar, No Screws Chin Up Bar with Locking Mechanism, Door Corridor Aisle Wall Horizontal Bar for Home Gym Exercise Fitness, 28”-51”

【Triangular Support】: the more strong the force is at multiple points; the more the force, the stronger, the triangular support, the principle of structural mechanics.【Adjustable Length】: The...