The Spectre T-handle shifter gives your shifter a competition style look. It is constructed from lightweight aluminum with a durable chrome-plated finish that provides your hand a solid contour shifting experience. Comes with hardware to fit: 1/2 inch -20, 7/16 inch -20, 3/8 inch -24, 5/16 inch -18, 12 millimeter -1.50, 10 millimeter -1.50, 8 millimeter -1.25, 7 millimeter -1.00 diameter shifters.