Diablo, 25 Pack, 6'' x 8-10Tpi, Metal, Steel Demon, Demolition, Reciprocating Saw Blade, Blades Are Specifically Designed For Maximum Performance In Metal Demolition Applications, The Blade's Ultra Hardened Cutting Edge Delivers Up To 5x Longer Life Than Those Of Standard Blades, Dual Tooth Design Features A Double Tooth Configuration With Small Gullets For Faster Material Removal & Extra Durability.