Greddy Shift Knob A01- High TypeOriginally designed for TRUST GREX sequential transmissions in the 1990s. You can now feel the comfort and precision of our retro billet, CNC shift knobs. The new inner screw inserts make installation height adjustable, simple and secure. The traditional knobs offer excellent comfort for both side and overhand grips. Each GReddy CNC Stainless Shift Knob includes 3 of the most common thread sizes inserts to suit most Japanese manual transmission