RAM Mount RAM Square Post Clamp Base f/Posts up to 4" Wide [RAM-D-247U-4] Trailering Combining the RAM® rubber ball

Combining the RAM® rubber ball and socket system with a ratcheting feature

UV-Stabilized: For a long life

The O-ring seal closes off the port when operating the engine

UPC: 091887328905

316 Stainless steel base

RAM Mount RAM Square Post Clamp Base f/Posts up to 4" Wide [RAM-D-247U-4] Trailering Combining the RAM® rubber ballRAM Square Post Clamp Base for Posts up to 4" Wide The RAM D 247U 4 consists of a 4" clamp base with a 2. 25" ball. Hardware Included: (2) 5 16" 18 x 3" Machine Screws (2) 5 16" 18 Nylock Nuts Specifications: CLAMP RANGE: 4" max width BALL SOCKET SIZE: D Size (2. 25") WEIGHT CAPACITY: 6 lbs MATERIALS: Marine grade aluminum WEIGHT: 1. 44lbs