Description These brass thread adapters are designed specifically for use with our acrylic flower shift knobs. They allow your flower knob to fit a wider range of vehicles by converting the pre-installed M12 × 1.25 thread to other common thread sizes. Simple, secure, and made for a proper fit. Key Features Made specifically for our acrylic flower shift knobs Durable brass construction Easy to install Expands fitment for multiple thread sizes Size & Details Weight: 18g Material: Brass Includes 3 × Thread adapters: M10 × 1.5, M10 × 1.25, M8 × 1.25 Fitment & Notes Designed to install directly onto our M12 × 1.25 acrylic flower shift knobs Internal thread options: M10 × 1.5, M10 × 1.25, M8 × 1.25 External thread: M12 × 1.25 These adapters are only compatible with our flower shift knobs Popular Fitments (Examples) Honda/Acura: Civic, Fit, Del Sol, S2000, Integra, TSX, NSX, RSX Mazda: Miata, Mazdaspeed, MX-5, RX-7, RX-8 Nissan/Infiniti: 350Z, 370Z, 300ZX, S13, S14, S15, G35, G37 Toyota/Subaru: Supra, 86, GR86, Celica, MR2, Corolla, 4Runner, WRX, STI, BRZ, Forester, Legacy