Mechanical Pencil Lead Refills 12 pc, Rite in the Rain, 1.3 mm, Dark 2B

Extra-long leads for uninterrupted writing, no matter the conditions. Fits No.13 and No.15 Mechanical Pencils. Mechanical Pencils are easy to reload, simply drop a single piece into the shaft under the eraser. Fine enough to record details but thick enough to survive the work site, the dark (2B) 1.3mm lead is ready to get the job done.