Pentel NM470 Fine Permanent Marker, 1.0mm Line, Blue ink (Pack of 12)

Amazon

Excellent value permanent markers for precise writing Suitable for many surfaces including card, plastic, metal, vinyl, nano lens, tapes, glass and wood Waterproof and does not fade 24-hour cap-off dry safe time Low-odour ink

Euroffice

Pentel Permanent Marker Fine Point Blue (Pack of 12) NM470-C. Fine Point Tip: 2.4mm. Line Width: 1mm. Waterproof does not fade. 24-hour cap off dry safe time. Low-odour ink. Suitable for many surfaces.