The shaft is made of strong 6066 aluminum that maintains the shape of the contour while keeping the midrange solid
0.2 inch (6 mm) allen key tightening type.
E-Thru Standard
Color: Black.
Shaft: 6066-T6Alloy
Axle: 0.5 inches (12 mm)
Axle Pitch: 0.06 inch (1.5 mm)
Insertion Width: 6.4 inches (163 mm)
Weight:46g