Seaflo round cable hatch is for use with RV electrical cables, and its constructed with UV stabilized PP. Its hinge is extra heavy duty. It has a 5.2 round O.D. flange and a 2.6 deep cavity to hold the cable end. The specifications are: model: SFCH1-052-03, out-size: 5.2″ x 2.6″ (130 x 66 mm), in-size: 3.5″ (88 mm), colour: white. The Caravan Supermarket has 35 years experience in the caravan and camping industry and is based in Birmingham. The Caravan Supermarket is committed to offering its caravan and camping customers a secure and enjoyable shopping experience. We provide quality caravan and camping accessories at clear and competitive prices by including VAT in the marked price and by offering a free delivery. We give our customers a great service along with expert advice and peace of mind that comes from a 30 day no hassle returns policy. We engender the holiday spirit and want to play a small part in enriching that spirit.