Perfect for standardized tests. 50% more lead (vs. lead volume of bic xtra life mechanical pencil). HB lead. No. 2 0.7 mm HB lead and smudge resistant eraser are perfect for: standardized testing home, office & school use clean erasing, Official Box Tops for education brand. Box Tops for Education. No more clipping. Scan your receipt. See how at btfe.com.