คุณลักษณะ

• Ideal for mark checking building materials and marking outdoor fixtures.
• Mark check on building materials and marking on outdoor equipment.
• The pen tip is durable and hard to wear, so you can use it for a long time.
• It produces vivid colors even on dark colors.
• The handwriting does not fade easily in wind and rain or sunlight, so it can be used outdoors.
• Core resistant type that prevents the pen tip from collapsing.
• The amount of ink is large, so you can write for a long time.