- Size: This adapter features a 3/8 inch (9.4 mm) thread, specifically designed to fit standard showers and bathtubs. It has a stem length of 2-5/16 inch (58.4 mm) and a width of 21/32 inch (16.5 mm), ensuring a precise fit for your plumbing needs. - Replacement Compatibility: This product is exclusively compatible with PFISTER model 970-0770 long stem Secure Pfit Trims, making it an ideal replacement option for maintaining your existing fixtures. - Durable Material: Crafted from high-quality brass, this adapter is built to withstand both hot and cold water temperatures and high water pressure, ensuring long-lasting performance and reliability. - Efficient Solution: Avoid the hassle and expense of replacing your entire bathtub fixture. This shower valve stem extension provides a practical solution, effectively addressing issues with valve stems without needing a complete overhaul of your plumbing system. - Practical Applications: 1. Use this adapter when upgrading your bathroom fixtures to ensure compatibility with existing plumbing. 2. Ideal for DIY projects where maintaining current fixtures is essential for cost savings. 3. Perfect for quick repairs during plumbing maintenance, allowing you to restore functionality without a major renovation. Choose this adapter for a straightforward, reliable solution to your shower and bathtub needs.