... and pulleys goods with various specifications.Here is the available type for your reference:MXL,XL,L,H,XH,T5,T10 ... attention,if the specification what you need is not in,pls contact me directly,special specification is acceptable.Customers' drawing or sample is also ... as plastic,nylon,aluminium alloy,#45 steel,cast iron.The specifications and shapes of the pulleys can be made to order.Any question or ...