KOMFGT Pull-up Device Home Horizontal bar Door on Horizontal bar Home Indoor Wall Free Punching Fitness Equipment (110)

Quadruple protection, the more force, the stronger, triangle support, the principle of structural mechanics. Two-way locking metal buckle, 360 ° embracing card slot lock to prevent slipping inside, safety type is greatly improved. To prevent rotation, for safety escort, metal screws are reinforced to prevent loosening, and grooves are fixed to prevent loosening. High-density threaded telescopic rod, with smaller expansion and contraction. The whole body is made of non-rusty steel, the principle of the four-layer thick steel pipe, the surface is glazed, coated with metal paint, anti-rust primer, and the tube is degreased.