Mechanical pencil lead refill set Carioca 8003511429300 B hardness, 12 pieces

Set of 12 Carioca mechanical pencil leads with B hardness designed for use in mechanical pencils that accept standard leads. These graphite refills produce medium-soft strokes suitable for sketching, writing and technical drawing. The compact packaging keeps spare leads protected and organised for daily use at school, in the office or in a studio environment.

Advantages

These Carioca B leads deliver consistent line darkness and smooth graphite flow, making them suitable for varied pencils and tasks. The medium-soft hardness provides a balance between darkness and durability, allowing clear, readable lines while still being responsive to pressure changes. Individual leads are uniform in diameter and texture to minimise breakage and ensure reliable performance during prolonged use.

Suitable for

• Sketching and preliminary drawings
• Handwritten notes and everyday writing
• Technical and architectural drawings where medium-dark lines are required
• Schoolwork, study and exam preparations

Key specifications

• Hardness: B (medium-soft)
• Quantity: 12 leads per pack
• Material: graphite core suitable for mechanical pencils
• Compatibility: standard mechanical pencils that accept replaceable leads

How to use

Open the refill container and insert a single lead into the sleeve or cartridge of a compatible mechanical pencil following the pencil manufacturer's instructions. Advance the lead gently to the desired length and adjust pressure while writing or drawing to vary line shade. Replace the lead when it becomes too short or worn; dispose of used fragments responsibly.

Usage recommendations

Store the leads in their original container away from excessive heat and moisture. For reduced breakage, avoid applying excessive lateral force and use a pencil with a suitable clutch mechanism. Combine B leads with harder or softer grades for varied shading and technical clarity depending on the task.