The RAM Cable Manager creates an integrated route for electrical wiring and cleanly coversinstallation holes. A great addition to any surface mounting application. The RAM Cable Manager ismade of glass filled nylon which has the benefit of creating a barrier between the RAM Surface Mountand the attachment area; minimizing vibration while reducing fiberglass and gel-coat damage. Thisitem will work with any of the 2 5/8" round plates with AMPs hole pattern.HARDWARE INCLUDED(4) #10-24 x 2" Machine Screws (4) #10-24 Nylock Nuts (4) #10 Fender WashersPRODUCT DIMENSIONSCable Slot Height: .56" Cable Slot Width: .7"CLAMP RANGEMax mounting surface thickness: .68"HOLE PATTERN4-Hole AMPS: 1.181" x 1.496"MATERIALSHigh strength compositePACKAGING TYPEPoly BagADDITIONAL INFORMATIONTo prevent galling of threads during assembly, it is imperative that all threads are lubricated withoil prior to assembly.WEIGHT0.25 lbs.