Irwin Marathon 10 In. 40-Tooth General Purpose Circular Saw Blade Pack options:Pack of 1 Increase R-value up to 90%

Increase R-value up to 90%

Tap designed for hand cutting applications

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3/4" x 3/8" plastic square cut frame corner is designed to fit into square-cut ends of aluminum screen frame material to repair or construct new aluminum framed screens

Dual-Armor protection: laminated steel core for strength surrounded by stainless steel & zinc outer components for weather resistance

Irwin Marathon 10 In. 40-Tooth General Purpose Circular Saw Blade Pack options:Pack of 1 Increase R-value up to 90%Thinner kerf provides faster, cleaner, more exacting cuts. C3 carbide tipped teeth are precision honed and impact resistant to hold their edge longer. Unique shoulder design puts more support behind each tooth for smoother, more exact cuts. Specially engineered heat vents eliminate blade warping. All except 3 3 8", 5 3 8", 5 1 2", 6 1 2", 9" and larger have diamond knockout. %search_data%14070