Carpet to LVT/Vinyl/Tile/Wood/Laminate Flooring Transition Door Strip Bar - Joins A Gap - Angle Vinyl Door Flooring Strip by ROYALE : Amazon.co.uk: DIY & Tools
S16 Aluminium Door Bar floor Trim Threshold Cover Strip T bar Adjustable - Cayrus
BEECH 0.9m Door Bar Plate Threshold Trim by Dural £9.99