1 Piece Billet 6061-T6 Aluminum Shift Knobs. Precision CNC machined in the USA. Durable anodized finishes. Exposed stainless steel or anodized aluminum socket head cap screws for a bold industrial look. Engraved logos will never wear off. Engineered to be ergonomic. Easy installation, simply thread onto factory shaft against jam nuts (included).   Matte Black Finish with Black Stainless Steel Screws.  TRD Engraved.  www.ajtdesign-llc.com