A. Product Features - There are two installation methods to choose from. One can install this door - stopper with screws or opt for the no - drilling installation. The former offers a relatively stable installation, while the latter doesn't damage the wall. - The embedded design gives the door stopper a good anti - collision ability. The selected materials impart it with rust and corrosion resistance, ensuring a satisfactory user experience. - This door stopper is made of stainless steel and rubber and is not prone to rust. B. Product Specifications - Color: Silver - Installation Method: Drilling/No - drilling - Length Specifications: There are four different specifications available: 75mm, 95mm, 120mm, and 150mm, each with different dimensions. - 75mm specification: Approximately 7.5cm×4cm×4cm (2.95 inches×1.57 inches×1.57 inches) - 95mm specification: Approximately 9.5cm×4cm×4cm (3.74 inches×1.57 inches×1.57 inches) - 120mm specification: Approximately 12cm×4cm×4cm (4.72 inches×1.57 inches×1.57 inches) - 150mm specification: Approximately 15cm×4cm×4cm (5.91 inches×1.57 inches×1.57 inches) - Base Diameter: Approximately 4cm (1.57 inches) - Head Diameter: Approximately 1.6cm (0.63 inches) C. Applicable Scenarios It can be installed on doors in places like bedrooms, bathrooms, and offices. D. Notes - Due to differences in light and screen settings, the color of the product may vary slightly from the picture. - Due to different manual measurement methods, slight differences in dimensions are acceptable. E. Package Content 1 door stopper