Specifications:
Material: Aluminum alloy
Color: Black, Red, Gold, Blue, Silver
Product size: 77mm*53mm*20mm/3.03*2.09*0.79"
Process: Surface anodization
Installation diameter: 19-40mm/0.75-1.57"

Notes:
1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
2. Please allow 1-3cm measuring deviation due to manual measurement.