1、Unique design automatically adjusts to any size or shape, compact and easy to carry. 2、A universal socket can be adjusted immediately to grasp the nuts, screws, hooks and bolt tops. 3、Self-adjusts from 1/4 inch to 3/4 inch standard and 7mm to 19mm metric. 4、Made of chrome-vanadium steel, practical for long service life. 5、Professional universal ratchet socket set, comes with a 3/8\" power drill adapter. 6、Can be used in automotive industry, household maintenance, manufacturing industry, etc. 7、Professional universal ratchet socket set, comes with a 3/8 inch power drill adapter. 8、Professional universal ratchet socket set, comes with a 3/8 power drill adapter. 9、The socket wrench made of chrome-vanadium steel, practical for long service life. 10、Professional universal ratchet socket set, comes with a 3/8 inch power drill adapter. Can be used in automotive industry, household maintenance, manufacturing industry, etc. 11、Self-adjusts from 1/4 inch to 3/4nch standard and i7mm to 19mm metric. 12、Professional universal ratchet socket set, comes with a 3/8in power drill adapter. The universal socket uses a professional drive design that allows you to work with different sizes of fasteners, whether metric or standard. It ensures to work with different shapes - hexagonal and square fasteners, hooks, and even rusted and damaged nuts and bolts, just put the socket on the fastener and go to work. Features: Unique design automatically adjusts to any size or shape, compact and easy to carry. A universal socket can be adjusted immediately to grasp the nuts, screws, hooks and bolt tops. Self-adjusts from 1/4 inch to 3/4 inch standard and 7mm to 19mm metric. Made of chrome-vanadium steel, practical for long service life. Professional universal ratchet socket set, comes with a 3/8" power drill adapter. Can be used in automotive industry, household maintenance, manufacturing industry, etc. Specifications: Material: chrome-vanadium steel Socket color: black, silver (optional) Application: standard 1/4" to 3/4" and metric 7mm to 19mm Socket size: 51 * 25mm / 2.0 * 1.0in (L * D) Socket weight: 136g / 4.8ounce Package size: approx. 55 * 30 * 30mm / 2.2 * 1.2 * 1.2in Package weight: approx. 158g / 5.6ounce Package List: 1 * Universal Socket 1 * 3/8" Drill Adapter 1 * Universal Socket 1 * 3/8" Drill Adapter