pully 1,size:dia 3' 2,Material:stainess steel 304 or 316 pullywe can offer the plastic or steel pulley.1)material: plastic, steel.2) Art of surface: zinc/nickel/chrome ating, hot galvanized, painting, natural.We available to made strictly to customer drawings in close tolerances and free of swarf or deformities. we can also supply parts for customers requirements.