Material: chrome die cast metal Application: square window regulator shaft-Kenworth Peterbilt & International trucks with a square adapter Mount: pushes on to square stud, 1 screw hold it in place (not included) Size: 4 1/4" overall body length, 9/16" thick body, 1 1/4" diameter turning knob, 5/8" tall Location: interior Style: jeweled, square adapter Color: silver, clear Quantity: each Bulk Packaging New