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What is the PD-516, and what materials is it suitable for cutting?
The PD-516 is a safety utility knife suitable for everyday materials such as paper, thin plastic, and cardboard. Its design emphasizes convenience while reducing the risk of accidental cuts. It is not intended for thick metal or high-strength construction materials.
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What does the PD-516 automatic blade-retraction design do?
When the operating mechanism is released, the blade automatically retracts into the body, reducing accidental contact with an exposed blade. Users must still maintain a proper grip and cutting direction; the retraction mechanism is not a guarantee that injury cannot occur.
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What are the benefits of the PD-516 ABS engineering-plastic handle?
The ABS engineering-plastic handle balances low weight, structural strength, and grip comfort, making it suitable for unpacking and everyday cutting. Wipe oil or water from your hands before use to prevent the handle from slipping.
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Is the PD-516 suitable for warehouse unpacking or office use?
Yes. It is suitable for carton-sealing tape, packaging film, paper, and thin plastic, especially in environments where automatic blade retraction is preferred. Before cutting, check the position of the contents inside the carton to avoid damaging products with an excessively deep cut.
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How can I avoid cutting the contents when using the PD-516 to open a carton?
Extend the blade only to the minimum length required for the cut and move it steadily along the surface of the sealing tape. Do not pull the blade toward your body. First check that no products or cables are pressed against the inside of the carton lid.
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Can the PD-516 cut thick plastic sheet, wood, or electrical wire?
No. The PD-516 is intended for light-duty cutting of paper, thin plastic, and cardboard. It is not suitable for thick plastic sheet, wood, metal, or wire. Using it beyond its intended purpose may cause the blade to break or slip or may damage the handle. Use a dedicated tool instead.
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What should be done when the PD-516 blade becomes dull?
A dull blade requires more force and increases the risk of slipping. Replace it with a compatible blade according to the product design and instructions rather than continuing to force it through material. Wear cut-resistant gloves during replacement, make sure the blade is retracted, and place the used blade in a puncture-resistant container.
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Can children use the PD-516?
Children or untrained persons should not use it independently. Even with automatic blade retraction, the blade can still cause cuts. Use and storage should be managed by an adult, and the knife should be kept out of children's reach.
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How should the PD-516 be cleaned and stored after use?
After confirming that the blade is fully retracted, wipe away adhesive residue, paper debris, and moisture, then store the knife in a dry toolbox. Do not soak the ABS handle in solvent for an extended period. Stop using the knife if retraction becomes unreliable or the mechanism jams.
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How should I choose between the PD-516 and a heavy-duty utility knife?
The PD-516 is suitable for cardboard, paper, and thin plastic, with automatic blade retraction as its main safety feature. A heavy-duty utility knife is intended for tasks requiring greater cutting force and replaceable trapezoid blades. Choose according to material thickness and safety-management requirements.
