Pentel The Half Set GG5357 of Packaged Graph Gear 500 Mechanical Drafting Pencil, 0.3, 0.5, 0.7 mm For Pro with Eraser Refill (Z2-1N) Pack of 4, 1 Each The Half Set of Graph Gear 500, 0.3, 0.5, 0.7 mm: XPG513, XPG515, XPG517 and Refill Eraser, tube (Pack of 4) Z2-1N erasers, 1 each. Weighted at your fingertips for precise drafting & template work. Metallic mesh grip on a slim, beveled barrel promotes control when writing. Pentel GraphGear 500, 0.3, 0.5, 0.7 mm superior mechanical drafting pencil for professionals and enthusiats. All products are Made in Japan.