Color: Black Product Dimensions (L x W x H): 30 x 20 x 10 cm; 150 grams Eye weight: 150 g Spare Parts Availability: available information on Spare PartsSpecific:Material: Acrylic + Threaded MetalInsert: 12 * 1.25mmDiameter: 60mm / 2.36inchChange knob for: 10mmBody color: blackSpecifications:1.12mm x 1, 25 compound inserted inserted.2. High strength, non-corrosive, high temperature tolerance and low thermal expansion will improve ride feel and movement due to the low weight and sturdy.3. Improved movement easier and faster. It universally fits most vehicles.Note:1.Please allow 0.5-1 inch difference due to manual measurement. (1inch=2.54cm) Please check the size and picture carefully before making payment.2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, thank you.1 Piece Gear Transmission Knob 1 Piece