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" This dual size Stainless Steel Cup Drink Holder is made of high grade stainless steel.It's durable and rust proof. It includes drain with hose barb, mounting gasket and internal pad. Each cupholder measures 4" over all height includes drain fitting,3.22" overall height excludes drain fitting. 3.6"diameter for the large hole,2.76" diameter for the small hole. 4.2" diameter for the lip to lip. It can help bottles fixed in a place to prevent it slipped down, besides, it's also ideal for holding keys, cell phones and other items.

The items are the same as the pictures.We provide carefree return, Our aim at pursuing the maximum satisfaction of our buyers!AKA boat cup holder stainless,boat cup holders steel,stainless steel cup holder for boat,marine cup holders for boats stainless steel,cup holders for boats stainless steel 3.5,boat cup holder stainless steel,BOAT cup holder,boat cup holder insert,boat stainless steel cup holder. This item contains 5 pieces of drink holders,stainless steel boat cup holder,brand new in the package Marine Grade Stainless steel cup holders,Great for installing in the Marine boat and caravan. Boat cup holder stainless steel,Measures 4" over all height includes drain fitting,3.6"diameter for the large hole,2.76" diameter for the small hole.4.2" diameter for the lip to lip. Boat cup holder insert made of stainless steel for supreme corrosion resistance,Includes drain with hose barb, mounting gasket and internal pad. Stainless steel self draining recessed cup holder ;Install almost anywhere; table, counter top, dashboard, seatback, etc.Replaces plastic drop-in cup holders with ease.

Product Dimensions: 4.2"L x 4.2"W x 4"H. Brand: Lucky Seven. Material: Stainless,Stainless Steel,Plastic,Steel. Color: Silver. Date First Available: July 31, 2020. Best Sellers Rank: #87,577 in Sports & Outdoors. Customer Reviews: 4.6 out of 5 stars 122 ratings 4.6 out of 5 stars. : B08F27MGXF. Manufacturer Part Number: ?4" H - 3 1/2"ID, 4 1/4" OD. Product Dimensions: ?3 x 2 x 0.4 inches. Item Weight: ?1.4 pounds. Brand: ?Lucky Seven. Manufacturer: ?Stainless steel oem.