Check the listing for details. RAP-402U RAM Cable Manager for Large Electronic Mounts.... Color: Black, Condition: New. Listed at 33.94 USD. RAM Cable Manager for Large Electronic Mounts... RAP-402U Genuine RAM Products! The RAM Cable Manager creates an integrated route for electrical wiring and cleanly covers installation holes. A great addition to any surface mounting application. The RAM Cable Manager is made of glass filled nylon which has the benefit of creating a barrier between the RAM Surface Mount and the attachment area; minimizing vibration while reducing fiberglass and gel-coat damage. This item will fit any of the 3.68 INCHES diameter round plates with a 3 hole pattern. (Will not work with the AMPs hole pattern plates)hardware included (3) 5/16 INCHES -18 x 3 INCHES Machine Screws(3) 5/16 INCHES -18 Nylock Nuts(3) 5/16 INCHES Stainless Steel Washersproduct dimensions Cable Slot Height: .45 INCHES Cable Slot Width: .95 INCHES clamp range Max mounting surface thickness: 1.47 INCHES hole pattern 3-Hole 12-Degree: 2.75 INCHES Diametermaterials High strength compositepackaging type Poly BagWeight 0.5 lb Additional Information To prevent galling of threads during assembly, it is imperative that all threads are lubricated with oil prior to assembly. hardware included (3) 5/16 INCHES -18 x 3 INCHES Machine Screws(3) 5/16 INCHES -18 Nylock Nuts(3) 5/16 INCHES Stainless Steel Washers product dimensions Cable Slot Height: .45 INCHES Cable Slot Width: .95 INCHES clamp range Max mounting surface thickness: 1.47 INCHES hole pattern 3-Hole 12-Degree: 2.75 INCHES Diameter materials High strength composite packaging type Poly Bag Weight 0.5 lb