uni ball 207 Auto Advancing Mechanical Pencils With Hexagonal Twist Eraser 7mm Black and Red Barrels Starter Set Includes 2 Pencils 10 Lead Refills 2 Eraser Refills Pack of 2 Pencils - Office Depot
Amazon.com : Uni-ball uniball Chroma Mechanical Pencil Woth Leasd and Eraser Refills, 0.7 Mm, Hb (#2), Black Lead, Assorted Barrel Colors, 4/Set : Office Products