[Gym reinforcement] 40 -inch four -fold overlapping load -bearing 650 catties+suction cup, [Gym reinforcement] 40 -inch 40 % off bearing 650 catties+armrest, [Gym Professional model] 40 -inch four -fold bearing bearing 700 catties+thickened frame+suction cup, [Gym professional model] 40 -inch 40 % off 700 catties+thickened frame+lifting armrest+suction cup, [Gym reinforcement] 48 -inch four -fold overlapping load -bearing 800 catties+suction cup, [Gym reinforcement] 48 -inch 40 % off load 800 catties+lifting armrest+suction cup, [Gym professional model] 48 -inch four -fold load bearing 850+ thick steel pipe+suction cup, [Gym professional model] 48 -inch 40 % off 800 catties+thickened frame+lifting armrest+suction cup, [Gym professional model] 50 -inch four -fold load bearing 900 catties+suction cup, [Gym professional model] 50 -inch 40 % off 900 catties+lifting armrest+suction cup, [Fittings of fitness room top] 50 -inch four -fold overlapping load -bearing 950 catties+thickened frame+suction cup, [Fittings of the fitness room] 50 -inch 40 % off bearing 950 catties+thickened frame+lifting armrest+suction cup