STAEDTLER 255 07-HB Mars Micro Refill Leads for Mechanical Pencils - HB, 0.7mm (Box of 10 x Tubes of 40 Leads)

• For paper and cardboard – suitable for all mechanical pencils
• With ISO certification
• 90% natural raw materials and unique manufacturing process, without PVC and softening agents
• High break resistance thanks to elastic lead full smear and good Erasable nature,
• Contents: 10 Mine canisters with 40) leads

Mars micro carbon 255 leads. For paper and drawing cardboard. Efficient for Ecology: 90% natural raw materials, unique manufacturing process without PVC and plasticizers, high breaking strength thanks to elastic refill, innovative push-button mechanism for one-handed operation and refilling of individual leads, funnel-shaped filler tip for easy refill, lead viewing window, soft gliding lead, rich smear. good erasability, suitable for all mechanical pencils. 0.7 mm, Hardness: HB, 10 pieces (40 fine leads each) in cardboard box