Pens N More via eBay offers the Pilot The Shaker 0.5mm Mechanical Pencils 6-Pack, model no. H-305, for $4.99 with free shipping. That's $0.83 per pencil and the lowest total price we could find for this quantity of these pencils.

Also available is the Pilot The Shaker 0.5mm Mechanical Pencils 12-Pack for $8.49 with free shipping. That's $0.71 per pencil and $10 below the lowest total price we could find for this quantity of these pencils elsewhere.