ITEM NAME:End Caps For Marine Boat Description: 100% brand new and high quality. Fits ladder tubing up to 1" outside diameter. Easily attach by dropping ladder hoops into cups. Requires 1-5/8" cut holes to mount to the deck of your pontoon. Constructed from Non-corroding, UV resistant plastic. Easy install and replace existing cup. Specification: Material: Plastic Color: Black Size: Screw holes diameter: 0.2" insert plugs diameter: 1" Mounting Hole: 1-5/8" Package Includes: 1 Piece Ladder Insert Plug SKU: DMO0012080567024111.Requires 1-5/8" cut holes to mount to the deck of your pontoon. 1 Piece Ladder Insert Plug. Easy install and replace existing cup. Color: Black. Mounting Hole: 1-5/8". People always bought together with.