Small RAP-403U:

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 work with any of the 2 5/8" round plates with AMPs hole pattern.

• Includes 4-hole AMPS pattern mounting holes for RAM^® drill-down bases
• 0.56" x 0.7" side cutout allows for routing cables from the power source to the mounted device
• Made of high-strength composites for durability and reliability in the most demanding environments

Large RAP-402U:

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" diameter round plates with a 3 hole pattern. (Will not work with the AMPs hole pattern plates)