5 Pack, 4" 8 Tooth Bimetal Jig Saw Blade, For Medium Rough Cut, Wood & Plastics, Straight Cuts, Wood With Nails, Particleboard, Plastics, 3/16" - 1 1/4", Non-Ferrous Metals, Aluminum 3/16" - 1/2", If Cutting Metal Use A Cutting Oil & Use Only With GFCI Protected Outlets Or Adapters, Fits Bosch Models 1581AVS, 1581AVSK, 1584AVS, 1584AVSK, 1587AVS, 1587AVSK, 1587AVSP, As Well As Other Older Bosch Models.