Rite in the Rain Mechanical Pencil, 1.1 mm Point, Yellow, Eraser Included Yes

Tough, reliable, made in the USA, and writes no matter what. Refills included: 7 (1.1 mm / HB No. 2) leads and 2 extra erasers. Tip expands so lead won't break, wobble, twist or fall out in the field. Strong resin barrel fits comfortably in the hand. Length 5-3/4", diameter 3/8" weight: .05 lb.