Mechanical pencil leads BIC Criterium 550 refill 0.5 mm, green, pack of 12

BIC Criterium 550 refill leads in green, pack of 12 provides a set of 0.5 mm leads designed for mechanical pencils that accept 0.5 mm diameter refill. Each lead element measures approximately 18 mm in height and is intended for writing, technical drawing and everyday note-taking. The pack contains multiple refill pieces to keep mechanical pencils ready for frequent use in office, school or home environments.

Advantages

These 0.5 mm green leads offer consistent line width and smooth writing on standard paper. The compact 18 mm length of each refill makes them compatible with most mechanical pencil mechanisms that use short leads. Supplied as a practical multi-pack, the refill set reduces the need for frequent reordering and is convenient to store. The coloured lead enables emphasis, colour-coding and visual differentiation in notes or drawings.

Suitable for

• General writing and note-taking
• Technical sketching and precise line work
• Color-coding documents and annotations
• School supplies and classroom use
• Office stationery and everyday desk use

Key specifications

• Lead diameter: 0.5 mm
• Color: green
• Quantity in pack: 12 refill elements
• Lead length: approximately 18 mm
• Suitable for: mechanical pencils designed for 0.5 mm leads

How to use

Open the mechanical pencil according to its manufacturer instructions, insert a single 0.5 mm refill lead into the chamber and close the pencil. Advance the lead by operating the pencil’s usual push or twist mechanism. Replace individual leads as they wear down. Store unused refills in a dry place to prevent damage and to keep them ready for use.

Usage recommendations

For best results, use these leads on standard writing paper and avoid excessive pressure that can cause breakage. Use the green colour for highlighting, organizing notes or distinguishing multiple drawing layers. Keep spare refills in a sealed container to maintain consistent quality.