Feature: The rubber coating on the interior helps loosen or install the aerator without scratching the faucet. Made of durable plastic, it's sturdy enough to effectively remove faucet aerators. Replace or clean a clogged aerator to effectively repair your low-flow faucet and get your water flowing smoothly again. Adjustable opening width for OD pipe or tubing. 21.5mm by 27mm (7/8" by 1"), fits most brands of faucet aerators. Specification: Material: high quality ABS + thick rubber pad color: White Weight: 70g Diameter 21.5 - 27 mm/0.85 - 1.06 inches. Size: 15*8cm Scope of use: 21.5-27 mm outer diameter outer faucet disassembly and assembly (with clamping conditions) Package Contents: 1 x faucet aerator wrench notes: 1. Due to various factors such as monitor brightness and light brightness, the actual color of the item may be slightly different from the image displayed on the website. 2. Manual measurement data may have slight deviations.