https://www.uk-timber.co.uk/cruft/262657-1752332408struct_beam_air.html
Structural Oak Beams (Air Dried)
Structural Oak Beams (Air Dried) 4400 x 150 x 50
structural oak beamsairdried
https://www.whippletree.co.uk/products/structural-oak/
Structural Oak: Green Oak or Air Dried Beams - Whippletree
air driedstructuraloakgreenbeams