use R4-1/4

LIG-MA-SW019 | Round Blade to suit Lightning Swift 3 1/4" Fabric Cutter

MAR/BC-125/Blade | 125mm Octagonal Blade for BC-125 Cutter

MAR/BC-100/Blade | 100mm Octagonal Blade for BC-100 Cutter

MAR/BC-70/#22 | 70mm Octagonal Blade for BC-70 Cutter

MAR/BC-70(5) | 70mm Blade Battery Operated Cutter with 2 X 2.5Ah Batteries. Total 5 hrs. Ideal for synthetic fabrics