Features a 45 degree angled swivel shock/spring mount! The shock/spring mount is on a 45 degree angle for added strength. It has 1/2″ holes on a radius for easy indexing adjustments, and it has a 5″ to 6″ drop capability in 1/2″ increments, and also features double shear radius rod mounts for added strength. This right hand birdcage includes: .008 bearings, (1) 45 degree swivel style shock/spring extension, (2) retainer rings, (4) 5/8″ misalignment bushings, and (1) lower spacer bushing. Weighs only 10 pounds, making it one of the lightest on the market!