High quality blades from SK5 carbon steel for cutting edge retention and sharpness. Universal size for Left-handed Cutter 78 820, Safety Cutter 78 850, 78 815, 78 825, 78 845, 78 847, 78 855 and 78 812 as well as tool folding knife 78 875. Size: 61 x 19 mm. Box of 10 on self-service card.