Self-Adhesive Door Stop,Stainless steel invisible ground suction zinc alloy ground suction without punching Door Retainers 1pcs Worth having: the fixing device has a no-punch installation, adjustable height and a long service life. It holds the door well and prevents it from hitting the wall or other objects behind the door. No-punch installation: The fixer supports both punch and no-punch installation, and the no-punch installation uses adhesive for a more secure bond. Adjustable height: A matching hexagonal spanner is provided, which can be adjusted according to the actual height, and can be used for door joints from 5.5 to 30 mm. Long life: the fixer is made of zinc alloy, with sufficient material, waterproof, corrosion-resistant and rust-resistant, and with high-quality strong magnet, the suction force is 3 times than ordinary magnet Wide range of applications: the door stopper can be placed in awkward places that need protection from any kind of collision or abrasion, such as skirting boards, side tables, wardrobes, etc. size:Circle diameter: 60.4cm. weight: 160 pieces x 1. color: silver\black\gold. pack*1pcs.