24 x STAEDTLER MARS MICRO MECHANICAL PENCIL LEADS 0.9mm B FREE UK POSTAGE 2 x Tubes of 12 Leads Easy Erase, Break Resistant Leads B 0.9mm Smooth Gliding Leads Jet Black Lines Suitable for use with All Mechanical Pencils FREE UK POSTAGE FREE Postage Quoted is for Delivery to UK buyers ONLY, please see my postal costs for delivery outside the UK.