This listing is for a set of 132 Pentel Super Hi-Polymer 0.5mm Ultra Fine Refill Lead Tubes in C505-2B. These lead tubes are made in Japan and are compatible with various mechanical pencils. The brand of the product is Pentel, and it falls under the Sub-Type of Mechanical Pencils. The item is a Custom Bundle and has not been Modified in any way. The Model of the product is Super Hi-Polymer, and it comes from the category of Pen, Ink & Lead Refills, Pens, Pencils & Markers, Office Supplies, Office, and Business & Industrial. The product is in excellent shape, and we're confident you'll be happy with your purchase.