Hand Tools
Hand Tools and Devices
Ergonomically oriented hand tool design:
Maintain a straight wrist Maintain a straight wrist
Bent Nose Pliers. Such tools permit grasping, cutting, or turning objects while the wrist remains in a relatively straight position. Hammer With Deviated Handle. The slightly bent handle maintains a straight wrist during the final impact position.
Maintain a straight wrist Maintain a straight wrist
Soldering Iron. The perpendicular bend of the head permits application of heat to a distal object while avoiding deviation of the wrist. Saws, Power Wrench, Knife. A perpendicular handle (pistol grip) maintains a straight wrist during cutting, sawing, or rotary operations such as drilling or nut tightening.
Maintain a straight wrist Provide an optimal grip span
Cylindrical Handle. A tool for rotary action on a horizontal work piece maintain the wrist in a straight position. Excessive grip span does not allow optimal application of force and imposes undue......
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