Smooth and super-strong, Super Hi-Polymer Lead's proprietary formula delivers superior-quality marking with reduced smearing and excellent break resistance. Always producing crisp, clear lines with excellent consistency, this lead is ideal for all applications—arithmetic and equations, drawing and drafting, template work and more. Universal compatibility also makes Super Hi-Polymer Lead Refills suitable for just about any mechanical pencil requiring the chosen diameter, and the HB lead refills are a direct equivalent to a #2 pencil—guaranteed to scan accurately on tests and documents.