Frame – Frames are 2 1/2" x 1" x 12 gauge powder painted formed steel or 2 1/2" x 1" x 1/8" aluminum formed channels. The 12", 15" and 18" wide sections have one 1/8" x 1" axle supports and the 24" wide has two 1/8" x 1" axle supports.
Wheels – Zinc plated steel or aluminum wheels are 1 15/16" diameter x 5/8" face with a steel hardened raceway and a 13/16" wide cone. Each wheel contains (7) 1/4" hardened and ground steel balls. The lightly oiled baffled construction is designed to keep dirt out.
Cross Braces – 5 ft. long sections have (2) bolted cross members and 10 ft. long sections have (3) bolted cross members.
Axles – All axles are 1/4" diameter cold drawn steel, set on 3" centers and secured with a 1/4" - 20 stop nut.
Wheel Capacity – Steel, 50 lbs; aluminum, 45 lbs.
Couplings – Each 5' and 10' section is equipped with a hook and rod connector. The slotted hook permits minor lateral movement. No tools are necessary for assembly, just hook together.
Curves – Standard curves are 45° and 90°. The outside radius is 4 feet. Capacity same as straight sections.