Round Steel Core Wood Shift Knob, WalnutPure class. Pure style. The Mishimoto Round Steel Core Wood Shift Knob blends the silky smooth finish of natural hardwoods with the strength of stainless steel to create a timeless classic that will lend style to any interior. With its natural wood finish, no two are the same. Every Mishimoto Wood Shift Knob comes with unique stripes and swirls of woodgrain to set your interior apart from the crowd. Available in stunning dark walnut or smooth beech