&lt;H4&gt;Replacement Pens - Set Of Four (Black Red Blue Green) For Smart Boards: Sbd680/ Sbd685/ Sbd690/ Sb660/ Sb640/  Sb680&lt;/H4&gt;&lt;P&gt;Replacement Pens - Set Of Four (Black Red Blue Green)&lt;Br /&gt;&lt;Br /&gt;Compatible With Smart Boards: Sbd680/ Sbd685/ Sbd690/ Sb660/ Sb640/  Sb680&lt;/P&gt;