Milwaukee 3-1/8" (79 mm) × 7/32" (5.5 mm) high-carbon-steel (HCS) jig saw blades with universal (U) shank, 8 TPI for general-purpose cuts in wood. Pack of 5 blades. HCS construction is cost-effective for softwood and non-nail cutting; step up to bi-metal for nail-embedded or hardwood service. Milwaukee P/N 48-42-0240.