K-3939Z Sectional Furniture Alligator Clip Connector. Push two furniture sections together and the mechanism engages Firmly and Automatically. Separation is achieved by raising one section.The Sofa Commector can be attached to the bottom or the back of the furniture. Ratchet connecting jaws measure 2-1/8″ (54mm) wide by 4-3/4″ (121mm) long. The spring loaded ratchet jaws can be concealed by pivoting 180 degrees when not in use. All parts are steel, zinc anti-rust plated. K-39391Z uses a rectangle plate 1-13/16″ (43mm) wide by 1-7/8″ (48mm) tall to which is riveted a solid triangle of 17/32″ steel with a projection of 1-1/16″ (27mm). The ratchet jaws grip the triangle to make the joint. Sold by the each.