This standard BS 6635:2015 Manufacture of saddle trees made from wood. Specification is classified in these ICS categories:
97.220.40 Outdoor and water sports equipment
This British Standard specifies constructional and dimensional requirements for the manufacture of saddle trees made from wood. It applies to horse-riding saddles for general use (jumping, showing, hacking, dressage and similar activities) but excludes saddle trees for use with racing saddles.
This standard does not give requirements for saddle trees made from synthetic materials, which are given in BS 7875.