3″ x 10″ Bent tube frame w/ 4″ channel cross stringers. 8″ x 8″ Tubing extendible tongue w/ heavy reinforcement at insertion point and removable stop. (5) Adjustment positions; (3) on 34″ centers. 48″W Front pole cradle w/ (2) adjustable, self-storing Almag pole chocks. (2) Full width bolsters front and rear of axle – 6″x20#/ft I-Beam. Center cut “V” w/ grip plate lining for pole positioning.