10x1.5mm THREADED (NO adapters) 5 speed Type-R Type-S in Real Hand-Laid Carbon Fiber Selector Shift Knob for Honda Civic CRX Si 88 89 90 91 1988 1989 1990 1991 This is REAL Hand-Laid Carbon Fiber Threaded to your vehicle's thread pitch. NOT universal adapters like most cheap shift knobs. NO SET SCREWS!! These shift knobs have all-metal threads and will NOT wobble or fall off. Meets or exceeds OEM standards. NOT universal / Thread Specific / No Adapters / Threaded! Solid Aluminum wrapped in Real Hand-Laid Carbon Fiber and protected with a beautiful epoxy resin.