The RAP-340NB consists of the RAM-ROD™ 2007 rod holder and single socket for 1.5″ diameter ball bases. Ideally suited for vessels as small as kayaks, to larger Tournament or Charter boats, this new line of products is guaranteed to please. Incorporating our one of a kind and patented ball and socket feature, perfect adjustment is a breeze and setting the hook could not be faster. When it comes to price, form, function, and don’t forget fun, RAM is the one to get the job done! Material: High Strength Composite Ball Size: 1.5″ Rubber Ball Size Note: Part number reflects product packaged in clear clam shell for store shelf display. Related Links:RAM Fishing Rod & Tube HoldersRAM Kayak Mounts.