ITEM NAME:30cm Universal Car Vehicle Crystal LED 7-Color LIGHT Shifter Shift Knob Gear Description: Universal Crystal Bubble Style LED Light Direct Screw on Manual Gear Stick Shift Knob. Made Of High Quality Acrylic. Upgrade your Driving Comfort and Interior Appearance. LED Emitting Color: 7 multi-colors. Come with threaded adapters for easy fitment. Specification: Material: Metal,Acrylic Size: Approx 300*45*45mm Screw Tread Size: 12mm 10mm 8mm Installation method: Remove the car gear shift knob. Take the screw fittings for the size of the shift lever. Turn the screw fitting into the shift lever inside. The gear shift knob set directly into the stand rod. Note: This product is a single device, general-purpose, before buying pairs of pole thickness. Package Includes: 1 Piece Gear Shift knob, 1 Piece 2 Ports charger adapter 1 Piece USB cable 3 Piece Threaded Adapters 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.Universal Crystal Bubble Style LED Light Direct Screw on Manual Gear Stick Shift Knob. Remove the car gear shift knob. The gear shift knob set directly into the stand rod. 1 Piece Gear Shift knob.