M10 thread compatibility:Suitable for most hole saws, polishing sponges, and grinding wheels with M10 threads, making it a versatile tool for various applications in home and professional use. 1/4-inch hex shank:Designed with a 1/4-inch hex shank for easy and secure installation, compatible with most screwdrivers and power drills, ensuring fast and convenient tool changes. Construction:Made from metal, these adapters provide excellent durability and strength, ensuring long-lasting performance even in demanding working environments. Compact size:Measuring 40mm x 10.9mm, this compact design allows for easy storage and transport, while still delivering optimal performance for your drilling and polishing tasks. Easy to carry:Portable and compact, easy to store and carry, bringing you convenience., Manufacturer: SG Store