Description: WUPP motorcycle mirror holder M10 screw ball head phone holder direct mount M8 stainless steel bottom ball head accessories Product NameYF-213 bracket fixed ball head M8, M10 Product MaterialRubber + stainless steel Product SizeM8 ball head diameter 25mm thread length about 11mm pitch 1.25mm bottom diameter 8mm total length 52mm M10 ball head diameter 25mm thread length of about 11mm pitch 1.25mm bottom diameter 10mm total length 52mm Thread direction]: positive teeth (right-hand thread) Product Package : Bagged Package size10.8x6.7x2.6cm Product weight50G Use scenario: fixed in the car reserved for the rearview mirror mounting holes Specifications: 1. easy to install, simple to get started, easy to use 2.The use of rubber and stainless steel material, wind and rain, durable rust-proof 3.Anti-slip and anti-vibration, rough surface particles, increase the contact area, not afraid of shaking 4.CNC precision machining screw part is made of stainless steel, CNC precision machining, safe and durable Package Included: 1*Bracket fixed ball head