Made of iron, strong and durable for long service life. Mirror Mounting Clips can be used to secure frameless mirrors to the wall or to hang paintings, plaques, photos and more. (Easy and smooth installation, it will not hurt your hands when installing.) Specifications: Material: stainless steel + wooden pad Size: 32x24 mm Maximum mirror width: 6 mm Mirror holder depth: 5 mm Maximum recommended mirror size: 91 x 122 cm / 36 x 48 inches. p> Installation method: First install a pair of fixed brackets evenly below. Then put the mirror on it, and mark the position of the spring clip hole. Remove the mirror, install the spring clip according to the marked position, and then install the mirror. Package Included: 4 Mirror Clips 4 White Covers 4 Screws Attention : Please allow 0.5-2cm differences due to manual measurement.