Use this drinkholder at the intersection of a horizontal tube and a vertical tube. A popular item for many power boats. Holds two drinks. "Mounts on Horizontal tube at "T" intersection"

H. 3 1/2”, W. 8 3/4" D. 6 3/8”

Standard 1"
also available:
7/8
1 1/8
1 1/4
 

Usally ships within two days of your order.