STAEDTLER250 07-2B Mars Micro Refill Leads for Mechanical Pencils - 2B, 0.7mm (Box of 12 x Tubes of 12 Leads)

STAEDTLER 250 07-2B Mars Micro Refill Leads for Mechanical Pencils - 2B, 0.7mm (Box of 12 x Tubes of 12 Leads)

STAEDTLER 250 05-2B Mars Micro Refill Leads for Mechanical Pencils - 2B, 0.5mm (Box of 12 x Tubes of 12 Leads)