aluminum alloy construction delivers wear resistance and durability for longterm use. Compatibility and scope Designed for replacing faucets, bathtubs, and double handle bathtub shower applications that use 1224, 1234, and 1248 cartridges. Suitable for cartridgebased valve replacements in common bathroom fixtures. Easy to use No need for pliers to turn it; quick and straightforward to operate. Compact and practical size Dimensions: 9.7 cm x 11.7 cm (3.82 in x 4.61 in); compact and easy to handle in tight spaces. Use scenarios Home cartridge replacement in a standard faucet or doublehandle tub/shower setup, without bulky tools. Servicing 1224, 1234, or 1248 cartridge valves during bathroom remodeling or maintenance. Work in confined areas such as under sinks or behind fixtures where a small, simple tool is advantageous.