Amazon.com : ALVIN Draft-Tec Retractable Tip Mechanical Pencil 0.5mm Model DR05 Mechanical Pencil With Retractable Tip For Drafting, Architecture, Geometry, Art and School : Mechanical Pencils : Office Products
Twist-Erase® GT Mechanical Pencils with Lead Refill and 2 Erasers — Pentel of America, Ltd.
rOtring 600 Mechanical Pencil (Old Style) 0.7mm — The Clicky Post
Amazon.com : TWSBI Precision Mechanical Pencil Black 0.7mm Retractable Tip : Office Products
Pentel Mechanical Pencil, Retractable Tip, Latex Rubber Grip, 0.7mm, Black (PL77A) by Pentel, Sold individually - Walmart.com
TWSBI Precision Mechanical Pencil - Retractable Tip - 0.7 mm - Silver | JetPens
Pilot H-1003 Mechanical Pencil - Black, Retractable Tip, 0.3mm Lead (Mint, Works Well) - Peyton Street Pens