<h3>Key features</h3><ul> <li>Multi-Size Heavy-Duty Removal Wrench Included: This all-round plumbing kit contains 1 premium 10-in-1 metal aerator tool and total 16 spare faucet aerators, 4 units per size for M16.5, M18.5, M21.5 and M24. Our 10-in-1 tool supports 7 concealed threaded aerator sizes (TF, M16.5, M18.5, M21.5, M24, SLIM AIR M24), 2 cut-edge housing sizes (M24, M28), and 1 round housing size (M22). Wide market compatibility plus complete matching spare parts eliminate repeated purchases for faucet upkeep</li> <li>Durable Replacement Aerators for Long Service Life: Ditch fragile plastic removers with our high-grade metal aerator key, featuring excellent anti-rust and wear-resistant performance, no bending or cracking under heavy use, scratch-free surface to protect faucet chrome. The matched 16 multi-size bubbler inserts feature dense filter screens to block sediment and impurities, built to withstand daily long-term household use</li> <li>Easy Storage for Tool &amp; All Spare Aerators: Measuring only 2.95 x 0.94 x 0.94 inches, the aerator removal wrench is ultra-lightweight and pocket-friendly. All 16 replacement aerators take minimal storage space in cabinets, tool bags or drawers. Great for daily home maintenance, rental house repairs and professional plumbing on-site work</li> <li>Widely Compatible with Household Kitchen &amp; Bathroom Sink Faucets: The universal aerator wrench fits nearly all mainstream residential faucets in kitchen, bathroom and laundry areas. The pre-provided M16.5/M18.5/M21.5/M24 aerators cover the most popular concealed thread specifications, you can directly swap old broken aerators without extra matching parts</li> <li>Ultimate DIY Plumbing Kit to Fixes: No need to buy wrench and aerator inserts separately! This combo kit integrates removal tool and sufficient spare bubblers. Effortlessly disassemble clogged, worn aerators and install new matched inserts to instantly recover steady, soft water flow; a cost-effective essential tool kit for homeowners, maintenance staff and plumbers</li> </ul><p>Free shipping included. 30-day hassle-free returns.</p>