Drain Socket Captive Plug Oval 54 × 33mm White | 4BoatsWhite oval drain socket with captive plug, designed for tidy marine drainage installations on decks and transoms. Dimensions: 54 33 mm (2. 13 1. 30 in) Captive plug prevents loss when open White finish for a discreet look on light coloured surfaces Oval shape suits narrow cut outs and space restricted areas Compact footprint for neat deck or transom fit Designed for marine drain use on boats