RAM RAP-224-1U - suction base holder

Like new. RAP-224-1U, suction cup twist lock base contains a standard RAM double hole diamond shaped end. The 3.3" diameter suction cup is designed to have an extra strong hold on any smooth non-porous surface, but for best result, mount the suction cup on a glass surface. The diamond shaped end has two holes 1.912" from center to center