Olfa TSB-1 Top Sheet Cutter Blades, 5 blades/pk, 6 pk/box. Sold as box. by Olfa Save -8% $25.94 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Olfa TSB-1 Top Sheet Cutter Blades, 5 blades/pk, 6 pk/box. Sold as box. Top Sheet Cutter Blades for TS-1 Cutter. Total 30 blades per box Durable High Carbon Steel.