36 x PENTEL SUPER HI-POLYMER MECHANICAL PENCIL LEADS 0.5mm 2B The no.1 selling refill lead in the USA. Pentel's Super Hi-Polymer lead is specially formulated for improved  strength. It's stronger, more uniform, smoother and lasts longer than any other brand. For all automatic  pencils requiring standard lead refills. 3 x Tubes of 12 Leads 36 x Leads in Total 2B 0.5mm Excellent Value BRAND NEW Only £3.99 + FREE UK POSTAGE Postage Quoted is for Delivery to UK buyers ONLY, please see my postal costs for delivery outside the UK.