This 3:1 gear ratio fence reel is designed for ultimate strength and durability. It holds 500 m (about .3 mile) poly wire or 200 m (.12 mile) poly tape. It has a solid steel crank. Frame is insulated from the spool. It can be used with carry handle or on mounting post.... (read more) It is UV stabilized for long life and has a galvinized steel frame. Rugged steel locking system.