Lower Link Weld-on Hook CAT. 3L Heavy-Duty Tractor Linkage - Sparex Part S.173399The Sparex S. 173399 Lower Link Weld On Hook (Cat. 3L) is a precision engineered component designed for secure and efficient linkage connection on agricultural tractors. It provides a reliable locking interface for quick attachment of implements, ensuring stability and ease during heavy duty operations. Constructed from high strength steel, this weld on hook features a welding area of 115x38mm, a working length of 134mm, and an outer diameter of 64mm.