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 sinks, bathroom sinks, and washbasins. The included wrench fits most standard faucet aerators.