Rite in the Rain All-Weather Mechanical Pencil, Yellow Barrel, 1.1mm Black Lead (No. YE99) INCLUDED WITH PENCIL: Each All-Weather Mechanical Pencil comes with 7 leads and 2 extra erasers. MECHANICAL PENCIL: Patented tip expands so lead won't break, wobble, twist, or fall out when taking field notes. STRONG BARREL: Durable resin barrel survives through the toughest conditions. LEAD: 1.1mm thick lead for smooth, bold marking while writing down important notes in any weather condition. REFILLS AVAILABLE: Rite in the Rain has eraser (99ER) and lead (99BR & 99RR) packs available.