This product can withstand harsh environments and be used compatible a long time because of its features of corrosion resistance, rust resistance, wear resistance and high hardness. Due to exquisite workmanship, sturdy construction and superior durability, this product is a perfect replacement compatible your old original parts. It is constructed of aluminum alloy material. The length of this product is 5.4cm, the width is 2cm and the height is 2cm. The shift knob adapter kit fits compatible most non threaded shifters. Item Name: Shift Knob Adapter Material: Aluminum Alloy Features: Anti-oxidation, Exquisite Workmanship, Direct Replacement Style: A: M10x1.5; B: M12x1.25 Size Details: LxWxH: 5.4cm x 2cm x 2cm/2.13" x 0.79" x 0.79"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Shift Knob Adapter 1 x Wrench 1 x Adapter 1 x Screw