Product Review

Features:

Product is compact and easy to carry. Used in automotive industry, household maintenance, manufacturing industry,construction and other industries.
The spring loaded pins move to fit most screw in fasteners; hexagonal and square nuts and bolts, hooks, wing nuts, and more, even damaged and rusted fasteners that your other tools can't get a grip on.
Doesn't matter if it's metric or imperial, it will fit most fasteners between 7mm(1/4") and 19mm(3/4"), and you can use your socket wrench or Power drill with the supplied 3/8"adapter

The difference between Moongo and OTHERS socket:

Ours socket was concave pins chrome-molybdenum steel, Concave pins Material was chrome-molybdenum steel ,Internally by 54 chrome-molybdenum steel hardness pole constituted ，but others was flat pins over Amazon marketplace.
You can see the difference between concave pins and flat pins , The Concave pins was more flexible when press it ，Stronger torque，more durable，long working life. Tighter grip.

WE ARE THE ONLY MANUFACTURER WITH CONCAVE PINS !!!

Specifications:
Using range: Fits from 7mm(1/4") up to 19mm(3/4") wide
The square hole size at the back of the universal socket is 3/8" .
Material: chrome-molybdenum steel ,Internally by 54 chrome-molybdenum steel hardness pole constituted
Color: Sliver
Material: Chrome-Molybdenum Steel
Length:52*26mm
Net Weight: 163g

Package Includes:
1pc Universal Socket and comes with a 3/8"adapter for Power drills