Package contains 3: 3pcs 1/4'' drive adapter, 3/8'' drive adapter and 1/2 drive adapter, each with a 1/4 hex shank socket wrench adapter .1/4& 34;3/8& 34;1/2& 34; Transforms any drill into a powerful nut driver Heavy-duty, spring-loaded ball bearings hold sockets firmly in place. Socket fits well and does not slip. Colorful: Easy to choose, different color rings, clear help to quickly choose the right one. Our products belong to the latest improvements, the quality is super good. Christmas Gift for Dad/Father, Husband, Boyfriend, Men, Handyman. Application: This adapter set is designed to provide a securely locked extension to your existing tool. Provides extra length to access a multitude of hard to reach spaces. The ball lock spring-loaded ensures a tight fit in the driver's head to prevent slipping in use. Specially designed to fit securely in a hand screwdriver, drill driver or impact wrench. Multi-function: Used in the installation of pneumatic screwdriver, electric screwdriver, pneumatic drill, manual screwdriver and other installation for the 39;hexagon tool. It is a good accessory for conversion. Please note that due to manual measurements and display differences, there may be slight differences between individual products and photos.