Belden DUJ-SS1000x500 Double Universal Joint 4.875 inch long 0.995 inch wide Stainless Steel The Belden double universal joint provides the same reliability and service life as the single universal joint with a maximum combined working angle of 70°. Double universal joints provide accurate positioning and flexibility under higher operating angles. Belden double universal joints are available in a wide variety of materials and finishes. Lubricant retaining boots are recommended for operation in corrosive environments. features High-grade alloy steel Standard operating angles up to 70° Uniform speed ratio between driving and driven shafts with parallel output shafts