Product details:

This item contains 8 pieces of drink holders brand new in the package Marine Grade Stainless steel cup holders two stage to accomodate several different drink sizes and shapes very high quality and used by several of the top boat and rv manufactures Specification Height overall including drain fitting - 4" Height overall excluding drain fitting - 3-1/4" Diameter overall lip outside - 4-1/4" Diameter inside (large) - 3-5/8" Diameter inside (small) - 2-5/8" Hole cutout needed - 3-3/4"