brand new and high quality Features: No separate crank cap needed With drop-resistant paint, waterproof seal, not easy to fall out. Application: square hole axis. Material: Plastic Size:20.6mm x 23mm(approx) Color:Black+Silver Quantity: 1PC Note: No retail package Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1PC of Crank Bolts (without retail package)