1/4-3/8-1/2 Square Drive Reducer/Increaser/Adapter Set of 4

General Description: Set of 4 adapters, reducers, and extenders made of chrome vanadium steel, allowing you to convert different square drive sizes for various applications. Technical Specifications: 6.3 mm (1/4") female square to 9.5 mm (3/8") male square adapter; 9.5 mm (3/8") female square to 6.3 mm (1/4") male square adapter; 9.5 mm (3/8") female square to 12.7 mm (1/2") male square adapter; 12.7 mm (1/2") female square to 9.5 mm (3/8") male square adapter. Compatibility and Accessories: Compatible with various square-head tools, these adapters are ideal for professionals and DIY enthusiasts. Installation: Easy to install, simply insert them into the appropriate square drive on the tool for a Immediate use. These adapters are perfect for DIY projects, mechanics, and other applications requiring variations in square dimensions.