If you don't have the set of spade timber drill bits to make these yourself, then this will make life easier for you.
These are utilitarian in their finish, with the same "hinge" material as has served me well for years. They have a few chips here and there. Made of hardwood.
14mm, 16mm, 25.4mm/1" 28.6mm 1-1/8", 31.8mm/1-1/4" 34.9mm 1-3/8" 38.1mm 1-1/2"
Price includes postage within Australia.