The heavier the support, the stronger L-shaped design, more stable and safer Widened and thickened arc base More stable and safer without damaging the wall of the frame, automatically extend, the more you pull the stronger Enlarge the suction cup Safe and firm support, greatly increasing the contact area, more firm and assured Double groove lock Reinforcement to prevent loosening of the two gears on the left and right, reinforcement to refuse loosening Multilayer Featured Steel Pipe Strong anti-breaking, multi-layer protection design is firm and durable and safer Product Name: Hole-free horizontal bar Product weight: 200 kg Product material: iron pipe/PVC/PP/smooth foam Applicable scene: cement wall/anti-theft/solid wood frame door/corridor aisle