Overall Length: 3.5" Drive Type: 6 Point Drive size: 1/2" Corrosion resistant black oxide finish. Made of premium tool steel and precision heat-treated for maximum durability. 360 degree articulation for access to fasteners in confined spaces. Hex openings deliver maximum turning power without rounding fasteners. Limit Gray GT-PHU30L - U-JOINT 15/16 X 1/2 DRIVE 6PT DEEP