1. Utility Knives amp Blades 4Point Carbon Utility Blades CARBON STEEL 4POINT TRAPEZOID BLADES This latest IRWIN innovation combines the toughness of a traditional 2 trapezoid blade with the increased blade tip life of a snap off blade 2X MORE CUTS ALWAYS USE PLIERS and snap off blade in correct direction SNAPS ON SCORE ADDED NOTCHES to create new sharp to extend blade points 1 4 CUTTING EDGES provide 2X Longer Life 2 TOUGHNESS OF A TRADITIONAL BLADE NJ with the functionality of a snap blade 3 4 NOTCHES 1 2 for full blade extension ITEM NO DESCRIPTION SHELF PACK 10508107 IR 4PT CARBON BLADE 5PK 5706915081077 5 10508108 IR 4PT CARBON BLADE 10PK 9706915081084 5 10508110 IR 4PT CARBON BLADE 100PK 5706915081107 1 versus traditional IRWIN carbon blades