Package Contents: 3 pieces 1 of each size: 1/4" 3/8" 1/2 wheel each electric drill in a screwdriver load heavy duty nut with narrow spring to hold the sockets firmly in place and does not slip.PURPOSE: These drives attack a versatile extension cord or drill chuck A cordless motor with impact driver for vehicle batteries resulting in a high speed mechanical nut - useful for vehicle repair, technicians, tradesmen and DIY enthusiasts for use with connectors on hardware stores/tires - Developers, late screws, hex screws up to the head at home, in factory workshops or on construction sites.Multifunctional Device: Used to install a screwdriver tire, electric screwdriver, drill tire, hand screwdriver and other hex installation tools. Is a good accessory for conversion.DURABILITY: Quality is a guarantee with this 3-piece set made of heavy-duty solid steel. The exterior anti-fog coating provides additional protection against damage from the elements and fabrics that may come into contact with the extension bands when used with repairs such as those in the automotive sector.'Warranty: We believe in our products because we offer a 30-day money-back guarantee as well as a 12-month replacement warranty for this quality product (3 adapter sockets 6 hex bits 1/4 "3/8" 1/2 new shanks adapter/extension that can transform the power into a high-speed driver)