Package Contents: Four of each high-quality 6 1/2 inch coping saw blades with teeth per inch (TPI): 16, 20, 24, 28; 16 blades in total. Compatible with standard coping saw frames. Premium Construction: Made from durable carbon steel for extended blade life; Precision-ground teeth ensure clean, accurate cuts; Heat-treated for optimal hardness and wear resistance Versatile Application: Perfect coping saw blades for woodworking projects; Ideal for intricate curves, detailed scroll work, and precision joinery. Designed for wood, plastic, and soft metals; not for hard metal use. Easy Installation: Quick-change design allows for fast blade replacement; Secure locking mechanism prevents slipping during use; Compatible with most standard coping saw frames on the market Superior Performance: Sharp teeth provide smooth cutting action with minimal effort; Flexible yet durable construction allows for navigating tight curves; Reduces sanding time with clean finish cuts 6-1/2 in. Coping Saw Blades, 4 Pack