High-Quality Material This faucet aerator is made of ABS plastic, durable, wear-resistant, hard, and odorless. Package Includes 6 pieces of 1.9 x 1.9 x 1.5 cm bubblers; 2 pieces of 3.4 x 1.8 x 3 cm wrenches. Please measure the size before purchasing and choose the correct product. Convenient Installation With the included wrench, disassembly and assembly can be completed in a few minutes. The bubbler can be directly screwed onto the faucet. No additional tools are required, making installation simple and convenient. Efficient Design Using a bubbler helps conserve water and prevents splashing. It reduces faucet noise and stabilizes water flow. Replace or clean a clogged aerator to effectively restore faucet performance and ensure smooth water flow. Wide Versatility Compatible with kitchen sink, bathroom sink, and washbasin faucets. The included wrench fits most standard faucet aerators.