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. Made from carbon steel for extended blade life; -ground teeth clean, accurate cuts; Heat-treated for optimal hardness and wear resistance Perfect coping saw blades for woodworking projects; Ideal for intricate curves, detailed scroll work, and joinery. Designed for wood, plastic, and soft metals; not for hard metal use. 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 teeth provide smooth cutting action with minimal effort; Flexible yet construction allows for navigating tight curves; Reduces sanding time with clean finish cuts Color: Black Material: Carbon Steel Package Contents: 16*pcs coping saw Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.