Keep out pests and rodents and maintain the proper working environment with dockleveler weather stripping. Kit includes: (2) precut side strips, (1) precut foam insulator for the rear of the pit and installation hardware. Available 1" or 1-1/2" wide. Installation is easy. Bolt aluminum extrusion to sides of leveler then simply slide brushes into aluminum extrusion channel. 41" Strip length. 50" Pit length.