Irwin tenon saw 12 inch 300mm irwin 10503534 p the irwin 12 inch tenon saw is ideal for cutting traditional mortice and tenon joints it also perfect for cutting mitres and general fine wood cutting tasks the steel back to the blade keeps the blade rigid for straight cutting p p can also be used for cutting pvc pipe plastic conduit etc p irwin 10503534 tenon xp3055 300 12in 300mm 12t 13p