FireStik SS-64 Stainless steel 3-way mounting brackets
Stainless Steel Construction.Horizontal or Vertical Mounting on Mirror Arms.Omitting the Clamp Bracket Makes it a Side Mount.Heavy Duty K4 Stud with Ring Terminal.Also Available with K4A Stud for PL259 Connector.Bracket Dimensions: 2.25" Wide 2.9" High.Fits Mirror Arms up to 0.850" With Supplied Hardware.