Sea-Dog Quarter-Turn Smooth Deck Plate w/Internal Collar - Black - 4" Outdoor | Coolers 39 in）；Inside diameter：6

39 in）；Inside diameter：6

Fits into a boat's flush mount rod holder

Power A ME21 - Electronic Control Package

and anti-uv fishing cap

Sea-Dog Quarter-Turn Smooth Deck Plate w/Internal Collar - Black - 4" Outdoor | Coolers 39 in）；Inside diameter：6Quarter Turn Smooth Deck Plate with Internal Collar Black 4" The Sea Dog Quarter Turn Deck Plate is constructed of UV stabilized ABS. Features a new locking system that prevents over tightening, jamming, and cross threading. These deck plates also feature an internal, molded in collar on the bottom to hold deck plate bags or other round containers. When installing, use silicone sealant on hull or deck surface. Keep threads clean with hot, soapy water.