Specification : Name : Electric Drill Magic Universal Socket Set Material : Chrome Vanadium Steel Size : Sleeve Size : 53.8x37mm Connecting Rod Size : 65x9.35mm 3/8 Ratchet Wrench Size : 185x10mm Features : Universal Socket--- One sleeve that accommodates nuts of various sizes. Instantly adjusts to grip most nuts, eliminating the need to constantly change sockets of different sizes. Adjustable Design--- It can be adjust from 10mm to 19mm(0.39 to 0.75), making it accommodate nuts of various sizes. Strong and Sturdy--- Anti-rust and wear-resistant, durable. Effectively prevent loosening and sliding problems, strong fixation. Easy to Use--- This magic sleeve can be used with a ratchet wrench, universal wrench, electric wrench, and electric drill. It enables the wrench to twist nuts of various sizes. Compact and easy to carry. Multipurpose--- This magic sleeve can be used in auto repair, household maintenance, courtyard decoration, the manufacturing industry, construction, and any other place that needs to screw nuts. Warm Tip : Transition : 1cm=10mm=0.39inch Dear buyer, due to the lighting effect, monitor's brightness, manual measurement, etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package Included : As the pictures show 1. Please check the package and item when you get carefully to make sure there is no problem. 2. If you have any problem or are not entirely satisfied with your package,please dont be hesitate to contact us first before leaving negative feedback. We will resolve the problem to satisfy you. 3. If there is no problem, please leave us 5 star positive feedback.