Switchback Ratchet Lock Knee Joint
By HiTek® Fabrication
These Switch Back Ratchet Knee Joints can be used as a direct replacement for Switchback Drop lock joints in size B configuration. When using size B drop lock joints, they can be replaced with a pediatric ratcheting joint while maintaining knee joint center, alignment, and knee clearance.Pediatric, youth, and adult size aluminum uprights can be fitted with ratcheting knee jointsUnscrew the 4 upright screws, remove the joint, replace it with the ratchet joint, and reapply the 4 upright screws