This tool was exactly what you needed to speed up the job of taking down a fence! Worked without a hitch and you will love this tool! This tool is solid, easy to use, sturdy, strong, good size and portable. A much have item in your toolbox.

Features:
Unique design automatically adjusts to any size or shape, compact and easy to carry.
Can be used in automotive industry, household maintenance, manufacturing industry, construction.
High capacity and high precision, make it more solid, not easy to damage.
Polished chrome finish. Internally by 54 high-carbon steel hardness pole constituted.
Can be disassembled various shapes nuts, screws, hooks, lag screws, and bolt heads, ect.
Fits standard 1/4 to 3/4-inch and metric 7-19mm nuts and bolt heads.

Specifications:
Using range: Fits from 7mm(1/4") up to 19mm(3/4") wide
Material: chrome-molybdenum steel
Item size: 5 * 2.5 * 2.5cm / 1.97 * 0.98 * 0.98in
Item weight: 340g / 11.99oz
Package weight: 350g / 12.35oz
Package size: 20 * 12 * 3cm / 7.87 * 4.72 * 1.18in

Package list:
1 * Universal Socket 
1 * Power Drill Adapter