3/8" Drive x 17mm Deep Universal GRE1017UMD Sanding Pen It's a great set and

It's a great set and is easy to use

Furnished with rubber boot to protect gauge

evacuation pump or air evacuation

minimum spread: 1-3/4"

3/8" Drive x 17mm Deep Universal GRE1017UMD Sanding Pen It's a great set and3 8" Drive x 17mm Deep Universal Features and Benefits: Made of high quality steel (chrome molybdenum) Engineered specifically for use with impact tools, using the most up to date industrial specifications Made to transfer the pressure from the thinnest part of the socket wall toward the thicker section, resulting in increased strength Lifetime warranty This impact, deep socket features high torque drive, which limits the amount of wear on the corners