Ottobock 7E7 Titan Prosthetic Knee Joint Genuine Ottobock prosthetic knee component manufactured from titanium. Features Model: 7E7 Titan Titanium construction Rated for users up to 100 kg (220 lbs) Adjustable prosthetic knee joint Genuine Ottobock component Made for lower-limb prosthetic systems Condition Pre-owned. Cosmetic signs of normal use are present. The joint articulates smoothly by hand. No additional testing has been performed. Please review all photos carefully to determine condition and compatibility before purchasing.