DIMENSIONS: The adjustable rectangular shower head slider measures 11.8 x 4 x 2.3 cm (4.64 x 1.57 x 0.9 inches). It fits shower rods that are 18 mm wide and 30 mm long (1.18 inches). This slider bracket is designed for use with a set of rectangular shower rods. It is compatible with standard shower heads and standard fitting hand shower clamps. HIGH QUALITY: The shower head holder is made of high quality ABS plastic and chrome plated alloy, which is resistant to corrosion and rust to ensure durability and longevity. This shower rod slider bracket perfectly matches other bathroom fixtures and accessories to give your bathroom a uniform look. UNIQUE ADVANTAGE: This slider bracket does not require drilling, does not damage the wall surface, is waterproof and has a super strong adhesive. The square slider can be moved flexibly and is suitable for people of different heights. You can adjust the height according to your needs. EASY INSTALLATION: The rectangular shower head is convenient to