Material and durability: Crafted from aluminum and stainless steel, this tool offers corrosion resistance and longterm durability, making it a reliable choice for repeated use. Upgraded retainer removal tool with handle: Specifically designed for 1224, 1234, and 1248 series faucet and tub cartridge replacements, enabling seamless and efficient operation. Target users: Suitable for enthusiasts, professional plumbers, and property managers who require dependable tools to enhance efficiency. Portable and compact design: Lightweight and compact for easy storage and transport, ideal for both home repairs and professional use, keeping you prepared for any plumbing task. Use scenarios: Replacing a faucet cartridge in a home bathroom faucet that uses 1224, 1234, or 1248 series cartridges, with the tool facilitating retainer removal. Conducting routine maintenance and cartridge replacements across multiple rental properties by a property manager. Onsite professional plumbing service where a durable, reliable tool helps reduce time and improves efficiency.