The Bolt, Flange(4my) is the cheapest item from this partsfiche.
The Tt250r 1996 4mr2 England 264mr-310e1 Rear Master Cylinder consists of twenty-four pieces with the Rr. Master Cylinder Assy. being the most expensive.
Some items from this specific schematic: Clip (7k7), Washer, Lock, Rr. Master Cylinder Assy., Bolt, Union(3gm).