One Wrench Fits All

D SERIES ANGLE WRENCHES DESIGNER: GROUP FOUR DESIGN

Until recently, industrial power tools were designed around what they did. Maximizing power and performance was the only goal. Workers were expected to adapt to the tools. The result? On the assembly line, 200-pound men and 130-pound women have been forced to use the same tools. Workers have wrapped handles in tape and used other ad hoc measures to make the tools more comfortable--and safer. Despite their efforts, cumulative trauma injuries (CTI), a category of repetitive-motion maladies, have become a growing health problem in the workplace.

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