The Bosch T113A3 3-Piece 4" Knife-Edge Special for Soft Materials T-Shank Jig Saw Blades are the high-performance HCS (high-carbon steel) blades designed for clean, tear-free cuts in soft, fibrous, or compressible materials like insulation, foam board, rubber, cardboard, leather, carpet, and acoustic panels. The knife-edge design (no teeth) slices through soft materials smoothly without ripping or compressing, while the 4" length and T-shank design ensure quick, secure fit in Bosch and most T-shank jig saws. Ideal for HVAC, insulation installation, packaging, upholstery, and remodeling projects that require precise, clean cuts in delicate or non-rigid materials—your go-to blade pack for professional results in soft-material applications.

• Knife-edge design (no teeth) – clean, tear-free slicing in soft materials
• High-carbon steel (HCS) – durable & sharp for insulation, foam, rubber & carpet
• 4" overall length – ideal for straight & curved cuts in thick soft stock
• T-shank design – quick, secure fit in Bosch & most T-shank jig saws
• Optimized for soft materials – no ripping, compressing or fraying
• 3-piece pack – value for high-volume insulation & remodeling jobs
• Professional quality – engineered for clean, precise results in delicate work
• Perfect for HVAC insulation, foam board, rubber gaskets, cardboard & upholstery
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