General description This Magic Adjustable Universal Socket Wrench is designed for automotive maintenance and general repair tasks. It features a unique adjustable design that allows it to fit nuts and bolts ranging from 10 mm to 19 mm (3/8 inch to 3/4 inch), making it an ideal multifunctional hand tool for various applications. Technical specifications Type: Multi-function socket Adjustment range: 10-19 mm (3/8-3/4 inch) Compatibility and accessories Fits any standard 3/8" drive wrench Usage One-handed operation for tightening nuts and bolts Holds the nut and bolt firmly to maintain even force on all sides, preventing rounding