M14 thread compatibility: Suitable for most hole saws, polishing sponges, and grinding wheels with M14 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 45.5mm x 16.9mm, 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