Internal bi-fold door with real oak veneer and large clear glazed shaker style panels. Ready for your choice of varnish finish Recommended Door Oil / Varnish. Pre-finishing service available. This door benefits from a solid core construction allowing it to be one of the sturdiest options available. Supplied with fitting accessories and full instructions. A matching standard door is also available. Easy to install into existing frames, supplied ready hinged with pivots, brackets and a sliding track.. Please note that the door opening size is listed and that the actual bi-fold supplied is slightly smaller to accommodate tracking..