Compatibility: Designed to be a compatible replacement shower handle with the Delta RP2391 handle. This shower handle is compatible with a range of Delta shower cartridges, especially the RP212 found in 600 series shower valves. EASY INSTALLATION Install your new handle in a few easy steps. 1) Turn off the water to the tap valve. 2) Remove the index button of the handle or the set screw. 3) Remove the handle screw with a screwdriver, turn it counterclockwise 4) Remove the old handle by pulling it from the cartridge. 5) Reattach the new handle and insert the handle/set screws (general instructions for replacing the faucet handle, additional steps may be required) FUNCTIONALITY Designed with quality and durability in mind by precision faucet handle manufacturers. This handle helps with precise mixing of hot and cold water for the right temperature and pressure. Dimensions: The robust acrylic handle is 2-3/8 inches long and the diameter measures 2 inches (2 inches). RP2391 handle has scalloped edges that make this handle easy to grip and rotate Value: economical valve compared to replacing the entire valve. The Delta compatible handle is a tremendous valve and provides the right part to fix your plumbing issues. The durable plastic construction provides a great part for the plumbing professional or a DIY enthusiast with a compatible valve body already installed. Other Components The Delta compatible handle uses a diamond-style brooch commonly found on a number for Delta taps., Weight: 0.2 pounds, Manufacturer: Byson International