The mark consists of the word "SUPERIOR" in italic block letters in red, shaded in black, surrounded by two blue partial ovals with sides of varying width; beneath and to the lower right of the word "SUPERIOR", superimposed on the bottom edges of the partial ovals, is word "RENTS" in blue, outlined in black; above the "I" in the word "SUPERIOR" is a vertically elongated diamond outlined in black, with alternating quadrants of black and white, and with gray shading to its left; and to the right of the word "SUPERIOR", superimposed on the right edge of one of the partial ovals, is a yellow diamond, with a black border, on which appear the words "TOOLS THAT WORK" in block letters in black, and behind which at the upper left, lower left, and lower right appears black and gray shading. The color white is claimed only with respect to the interior of the diamond design, and otherwise represents background only.