Made of injection nylon for those who needs durability but does not want the extra weight of stainless steel and the higher price of aluminum.
The installation only involves mounting the cup holder to the rail using the bracket provided, then screw on the black base plate and attach the suction cups.
The angle of the cup holder can be adjusted between 90 to 180 degree to the ground after the installation, the suction cup will hold the angle in place.
Dimesions: Length 4-7/8”(123.825mm), Height 3-1/2”(88.9mm), Width 4-1/2”(114.3mm), Rail OD 7/8”to 1” (22.2mm to 25.4mm) to
Package includes 1 MARINE CITY angle adjustable white injection nylon rail mount cupholder, 1 supportive suction cup, 1 black base plate with 3 screws, and 1 mounting bracket with two screws.