Durable Corporation Heavy-Duty Plastic Parking Block , 6 Length x 4" Width x 4" Height, Blue Wall Treatments & Supplies A removable zipper pocket holds

A removable zipper pocket holds additional supplies

The dual-arm and professional grade all-steel construction is very strong and reliable

it carries a large amount of material and releases very evenly

non-staining and water resistant

even in tough conditions

Durable Corporation Heavy-Duty Plastic Parking Block , 6 Length x 4" Width x 4" Height, Blue Wall Treatments & Supplies A removable zipper pocket holdsOn January 24, 1923 P. J. Swanson and Chas. T. Lyons formed the Tire Mat and Bi Products Company, Inc. to capitalize on the patent filed by P. J. Swanson for the invention of the tire link mat. In July of 1924, Chas. T. Lyons, H. W. Bell and Howard R. Lyons formed a successor company called Durable Mat Company, Inc. and were shortly joined by C. L. Morris and Falcon Joslin, whom jointly comprised the management team that would established what is