The GreatNeck® 4 Piece Coping Saw Blade Set - Coarse includes four coarse 6 inch blades made from alloy tool steel for strength and durability. This set fits GreatNeck® and other popular coping saws. Four Pack of 6 in. Blades: CoarseFits GreatNeck and other common coping sawsAlloy tool steel for strength and durability