Rite in the Rain All-Weather Notebooks can hold up to writing in the rain, but your handwriting might suffer under rough conditions. If you find yourself burning through lead writing your field notes on that rainy property survey, stock up on these handy lead refills. This lead fits the 13 series Mechanical Pencils.The 1.3mm lead won’t snap at the tip or break in the shaft, so you can write in a notebook just as easily as it can mark lumber.
THICK LEAD: The 1.3mm lead won’t snap at the tip or break in the shaft, so you can write in a notebook just as easily as it can mark lumber. 
LEAD COLOR: Dark (2B)
SIZE: 1.3mm, Length 4.72" FITS: Rite in the Rain Mechanical Clicker Pencils
FEATURES: Storage tube 
IDENTIFICATION ITEM NO: 13BR 
UPC: 632281102021
SINGLE UNIT TUBE SIZE: 5.31" L, .52" D