Description: A rubber coat inside helps loosen or install the aerator without scratching the faucet. Made of durable carbon steel, strong and sturdy, which can effectively remove faucet aerators. Replace or clean the blocked aerators, effectively fix the low-flow faucet, and gives you smooth flow again. Adjustable open width applied on pipes or tubing with O.D. 21.5mm 27mm (7/8 inch1 inch) and fits for most brand of a faucet aerator. Specification: Material: High-quality Carbon Steel Alloy + Thick Rubber Pad Surface Technology: Precision Electroplating Color: Silver Diameter 21.5 - 27 mm / 0.85 - 1.06 Inch. Size: 45 * 172 mm / 1.77 * 6.77 Inches Range Of Use: 21.5-27 mm Outer Diameter External Faucet Disassembly (with Clamping Conditions) How To Use: Clamp The Bubbler & Turn It Clockwise To Loosen Package Included: 1*Faucet Aerator Wrench Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.