Patent ID: 7334505

Claim:
A hand tool to assist in turning a wing knob to adjust clamp pressure in vertical files comprising: an outer grip having a bottom surface, said bottom surface having an elongate inner housing formed therein, said inner housing having a pair of lattitudinally extending inner frame members, said pair of inner frame members defining a centrally located elongate recess within said elongate inner housing, wherein an inner circumferential surface of said centrally located elongate recess is substantially equivalent to an outer circumferential surface of said wing knob, an outer surface of said outer grip comprises a plurality of substantially planar elongate gripping surfaces, a plurality of substantially planar surfaces are formed within said elongate inner housing and define an inner circumferential surface of said elongate inner housing, and wherein an upper surface of each of said pair of lattitudinally extending inner frame members protrudes from said inner housing floor in a vertical direction.