Bosch 5-Pack 4" 6 TPI Wood Cutting Jig Saw Blade is designed for fast, rough cuts in wood up to 2-3/8". It features side set and ground teeth for very fast, clean cuts in hard and soft wood, particleboard, and plywood. The blade also has a T-shank that fits Bosch models 1581AVS, 1581AVSK, 1584AVS, 1584AVSK, 1587AVS, 1587AVSK, 1587AVSP, as well as other older Bosch models.