Hopkins 48605 Pole Knockout Mounting Bracket Features: PreWired And Plug-In Simple Offers Total Flexibility Includes Matched Set Plug And Socket Includes Step-By-Step Procedures And Diagrams 100 Percent Tested 90 Day Warranty From The Date Of Original Purchase Height: 6.88 Width: 3.88 Length: 2.25 Weight: 0.28 lbs