Replacement upgraded guide set for HydMech bandsaws using 1" Bandsaw blade. Contents include 4ea. #800717 side blade guide and 2ea. #340790 pressure block. All carbide components are permanently soldered in place on precision holders and ground to proper specification for durability and long life. Replacement of blade guide set is recommended when there is any noticeable taper to wear pads, or if machine is producing a crooked cut. Parts also available individually.