5 pieces 4 In. 8 TPI Special for Aluminum T-Shank Jig Saw Blades T127D Versatile blade for aluminum 3/16 In. to 5/8 In. thick, fiberglass 3/16 In. to 3/4 In. thick, and plastic 3/16 In. to 1-1/4 In. thick 8 TPI tooth design for fast, straight cuts HSS construction for long life Proper lubricant is recommended when cutting metal 4 In. overall length, 3 In. working length 5 piece pack Specifications: T127D 5 pieces 4 In. 8 TPI Special for Aluminum T-Shank Jig Saw Blades Type Special for Aluminum Teeth Per Inch 8 Overall Length 4" Type of Cut Fast, straight cuts Quantity 5 Application Aluminum 3/16" - 5/8", fiberglass 3/16" - 3/4", plastic 3/16" - 1-1/4" Tooth Design Side set and milled Material High Speed Steel Working Length 3" Blade Thickness 0.04" Blade Height 0.3" *Note If cutting metal, use cutting oil to cool blade. Use only with GCFI-protected outlets or adapters