8 in, Reciprocating Saw Blade/ OVERALL LENGTH: 8.000 INCHES NOMINAL OVERALL WIDTH: 0.750 INCHES NOMINAL OVERALL THICKNESS: 0.050 INCHES NOMINAL NOMINAL SHANK SIZE: 0.500 INCHES USAGE DESIGN: FOR RECIPROCATING SAW; FOR CUTTING WOOD, NAIL EMBEDDED WOOD, COMPOSITION MATERIAL, PLASTIC, FERROUS AND NON-FERROUS METALS, CAST IRON SHANK TYPE: UNIVERSAL BACK TYPE: STRAIGHT CUT TYPE FOR WHICH DESIGNED: STRAIGHT FEATURES PROVIDED: BI-METAL MATERIAL TYPE FOR WHICH DESIGNED: METAL AND PLASTIC AND WOOD SPECIAL FEATURES: 8/12 TPI; 5 PER PKG MATERIAL: STEEL