ITEM NAME:Black 8 Ball M12X1.25 Shift Knob Shifter Lever Selector with M8x1.25 Nut Description: 12mm x 1.25 Threaded Insert Installed. High resistance, non-corrosive, high temperature tolerance and low thermal expansion. It will improve driving feel and shifting due to low weight and sturdy. Enhance shifting more smoothly and quickly. Universal fits for most vehicles. Specification: Material: Acrylic + Metal Knob Threaded Insert Size: Approx 12*1.25MM Diameter: 60mm / 2.36inch Shift Knob Hole: 10mm Nuts Insert Size: Approx 8*1.25mm Nuts Insert Length: Approx 15mm Body Color: Black Package Includes: 1 Piece Car Manual Gear Shifter Knob 1 Pieces Thread Insert Nut Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Please check the size measurement and the picture carefully before making.1 Piece Car Manual Gear Shifter Knob. It will improve driving feel and shifting due to low weight and sturdy. Enhance shifting more smoothly and quickly. Shift Knob Hole: 10mm. Knob Threaded Insert Size: Approx 12 1.25MM.