Scripto Thin 0.7mm Leads Pack of 12 No. F379 (NOS) Fits Sheaffer Parker Cross The Scripto Thin 0.7mm Leads Pack of 12 No. F379 are vintage pencils made in the United States. These leads are designed to fit Sheaffer Parker Cross pens, making them a sought-after item for collectors of mechanical pencils. With a lead diameter of 0.7mm, these high-quality leads offer a smooth and consistent writing experience, perfect for enthusiasts of classic writing instruments.