Abstract: A reinforcement clip is provided for the corner of a panel member to prevent damage to the panel member corner during shipment. The panel member includes at least two substantially flat relatively narrow elongated flange portions joined together at one end thereof to define a planar corner with a panel portion extending from the outer edge thereof. Both the panel portions and flange portions are firmly supported by the reinforcement clip.

Abstract: A shipping rack which is convertible to a first rack length for snug lengthwise loading across the interior width of a semi-trailer and convertible to a second rack length for snug loading lengthwise across the interior width of a railroad boxcar. Pivotal rack extensions are provided on one end wall which will yield to potentially damaging forces and then self center. The rack extensions are held in a first position folded into the end wall to form the first rack length and are pivotal out of the end wall and are self positioning in a second position to form a second rack length.