2 MM Mechanical Pencil Set with Case, TSV Metal Mechanical Pencils with 2 Tubes HB Graphite Lead Refills (24 Pcs), Professional Art Pencils for Drafting, Drawing, Writing, Carpenter, Sketching - Walmart.com
Staedtler 925 Family Drafting Pencil Eraser Refill - Pack of 5 | JetPens
Staedtler Mars 788 Drafting Mechanical Pencil with 6H, F. Leads Lot | eBay