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B&Q£29.34Visit shop B&Q - Big Dry Longlife Automatic Trade Marker Pencil Hard 10H Graphite Refills
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The Pica BIG Dry Longlife Construction Marker (6055) is designed for professional carpenters, masons, and construction workers who require a durable, precise marking tool for harsh site conditions. Its standout benefit is the combination of a high-tech push mechanism and robust rectangular leads that mark effectively on rough materials like brick, concrete, and stone, though the specialized lead profile means it is less suited for fine-art sketching or detailed drafting on smooth paper.
| Model Part Number | 6055 |
|---|---|
| Brand | Pica |
No, the Pica BIG Dry is specifically engineered for a 2 x 5 mm rectangular lead profile and will not accept standard cylindrical leads.
This model is specifically formulated for dry and rough surfaces; for wet surfaces, Pica offers different specialized leads.
Simply remove the quiver cap, insert the lead into the integrated sharpener hole, and twist the cap to obtain a fine point.
10H refers to the hardness of the graphite, providing a very dense, long-wearing mark ideal for abrasive building materials.
The clip is integrated into the quiver cap; if it is damaged, the cap assembly can typically be replaced as a single unit.
Ensure the lead is inserted correctly and the internal mechanism is not blocked by debris; tap the pencil gently to clear dust.
Avoid extending more than 2-3mm of lead at a time, as the high-pressure nature of construction work can snap overextended graphite.
Check the sharpener slot in the quiver cap for packed-in lead shavings and clear them using a small brush or compressed air.
To begin using the Pica BIG Dry, insert the rectangular lead into the front of the marker until it clicks into the feed mechanism. To refill, press the back button repeatedly to cycle through the lead length until the empty stub is ejected, then insert a new lead from the provided storage box. The marker is compatible with standard Pica BIG Dry rectangular refills. To maintain the tool, occasionally blow dust out of the internal mechanism if the lead feed feels stiff, and wipe the exterior casing with a dry cloth to keep the clip functioning smoothly.
