Features: Material: Car Lock Knob is made withluminum alloy,which is light weight and durable in using Protective: Car door lock knob can prevent your car from scratch, very helpful and practical as well. Fine workmanship: Car lock knob is with simple design, practical and beautiful, multiple colors satisfy your different needs Easy install:Screw on door lock knob is perfect replacement for the car door pins, directly place into the right position of the car door lock, Styling:It is a nice choice for decorate and styling your beloved car Specification Material: Aluminum alloy Color: Blue, red, silver, black, gold Total length: About 49mm Upper diameter: About 10mm Lower diameter: About 6mm Inner diameter: About 4.7mm Quantity: 2pcs Package included: 2pcs x Car Lock Knob Notice: Due to the light and screen difference, the items color may be slightly different from the pictures. Please allow 0.5-2cm differences due to manual measurement.