HEXIS® tangential plotter blade to suit Summa® plotters, made from high quality tungsten carbide. Compatible with - Summa® tangential plotters.HEXIS Tangential Plotter Blades Compatible With Summa Plotters £21.40PriceExcluding VATType*SelectQuantity*Add to CartBuy NowNo Reviews YetShare your thoughts. Be the first to leave a review.Leave a Review