Spring ball bearings firm locking of the sleeve, improving operational safety and efficiency.Designed to prevent sliding during use, these adapters make each task smoother and more efficient, maximizing convenience. This 8-piece set features 4 hexagon to square adapters (total length 25mm) and 4 hexagon to socket adapters (total length 50mm), all made of chrome steel.Weighing only 86.7 grams, it is easy to carry and suitable for any job. Easily switch between hexagonal and square drives for enhanced tool compatibility.A must-have addition to any set, these adapters simplify repair and DIY tasks with electric drills and screwdrivers, improving practicality. Made of high-quality material, treated for durability.These adapters can withstand high torque and provide long-lasting resistance, ensuring reliable performance in every job in the years. This set seamlessly converts hexagons to square head sizes, making socket installation quick and easy.With versatile manual and power tools, this adapter is perfect for screwdrivers or pneumatic drills., Weight: 0.18077905484 pounds, Manufacturer: Gishbjka