15 mm (0.59") dia., 3.2 mm (⅛") dia. pin.
Opens to 3.75 mm (⅜").
Pin length: 14.3 mm (9/16").
Height of head: 10.2 mm (0.4"), centered split. Pin is off-center.
Material: Machined aluminum with two stainless steel allen set screws.
Includes allen wrench.