The Hurst Chrome Universal T-Handle is made of die cast aluminum. Solid body and bold HURST identification adds a stylish touch to your race shifter. T-Handle comes complete with adapters and jam nuts to fit SAE 3/8, 7/16, and 1/2 inch threads. Also fits 10 mm, 12 mm and 16 mm threads. Incredibly simple to install. As you grasp this T-Handle firmly in the palm of your hands, you will automatically gain a sense of satisfaction.