SGLB® M42 - 1-1/2" $0.00 M-42 Bi-Metal Blade Adapted to a Wide Range of Materials from General Steels to Difficult to Cut Materials. Hassler Bandsaw Blade Store › SGLB® M42 - 1-1/2" Quantity: Add To Cart Added! M-42 Bi-Metal Blade Adapted to a Wide Range of Materials from General Steels to Difficult to Cut Materials.