B&M 46112 White Replacement Shifter Knob with Button and SAE Threads Enjoy the fit and finish of a B&M handle on many aftermarket shifters High impact white plastic is durable and stain resistant Includes button insert for controlling a 12 or 16 volt application Includes SAE thread inserts to fit shifters sized 1/2-20, 3/8-24, 3/8-16, and 5/16-18 Backed by the manufacturer with a 1 year limited warranty