The BGS socket spanner adapter set enables the use of square socket spanner sockets with SDS Plus drills. This 3-piece adapter set includes the common sizes 1/4" (6.35 mm), 3/8" (9.5 mm) and 1/2" (12.7 mm), ensuring versatility in a variety of projects. The adapters are designed to create a simple and secure connection between the socket spanners and the SDS drills. This makes the adapter set a practical tool for craft and DIY projects where flexibility and efficiency are required. Using these adapters significantly expands the application possibilities of your existing socket spanner inserts and enables seamless integration into your tool kit. Enables the use of square drive sockets with SDS drills. Includes adapters in 1/4", 3/8" and 1/2" sizes for versatile applications.