JR Products 541-2-A Deluxe Round Electric Cable Hatch

Sturdier than other round electric cable hatches. The outside collar is wider to cover up any pre-existing screw holes. The hinge is extra heavy duty. Door will accept a 30 or 50 Amp cord and comes with a snap lock feature to keep it securely closed while traveling. Replaces any round hatch up to 4.5 in. Features Color – Polar White Cut Out Dim. 3.5 dia. Outside Dim. 5.125 dia.