Pentel Ain A125-AC Mechanical Pencil for Drafting - 0.5 Mm Color Series (Pack of 4 Pens) +Hi-Polymer Lead 0.5mm (1 Tube 40 Leads) Pentel Ain A125-AC Mechanical Pencil for Drafting - 0.5 Mm Color Series (Pack of 4 Pens) +Hi-Polymer Lead 0.5mm (1 Tube 40 Leads)