RAM Surface Mount Double Ball Adapter 1" Ball
The RAM-B-217U consists of two 1" diameter rubber balls connected to a post and 63mm (2.5") diameter round base. The round base has pre-drilled holes, including the universal AMPS hole pattern and 3-hole 120 degree pattern.
The 1" balls measure centre to centre 63mm (2.5") apart.
Hole Pattern:
4-Hole AMPS: 30mm x 38mm (1.181" x 1.496")
3-Hole AMPS: 30mm (1.182”)
Material:
Marine Grade Powder Coated Aluminium
Ball Size:
1" Rubber Ball "B" Size