| 摘要 |
A hand tool consisting of an outer grip having an elongate inner housing formed therein engages with wing knobs used to tighten and loosen hanging file clamps. The outer grip is provided with a plurality of planar elongate gripping surfaces to enable a user to apply greater force to the wing knobs, which are frequently over-tightened by previous users. A pair of lattitudinally extending inner frame members are used to form two receiving areas for the wing knobs, a central elongate recess receives wing knobs of smaller diameter. By vertically recessing the upper surfaces of the inner frame members, wing knobs of greater diameter are received within the entire elongate inner housing.
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