Connects ladder rack to top of cabinet or to auxiliary support channel. Each kit includes two J-bolts and makes one support connection. Kit components are plated steel. Includes mounting hardware. Each kit contains: (2) J-Bolts, 5/16 in. (2) Nuts, 5/16 in. (2) Washers, 5/16 in. (2) Lock Washers, 5/16 in. (1) Plate. 3.5 in.