Reviews : Zona Razor Saw Replacement Blade 24 TPI (for the 3 in 1) Zona Tool Co. Razor Saw Replacement Blade 24 TPI (for the 3 in 1) $1.89 Leave a Rating! ★ ★ ★ ★ ★ OR Write a Review! Write a Review Sort 5-Star: 1 (1 ratings) 4-Star: 0 (0 ratings) 3-Star: 0 (0 ratings) 2-Star: 0 (0 ratings) 1-Star: 0 (0 ratings) Reviews Great saw blade, 15/16 cut depth. By: jonavedian Zona replacement blade - great saws (if you already have a handle) at a great price. Useful for hobby and small scale / detail woodworking. Cut depth is about 15/16. Cuts on the pull stroke, useful with a miter box. (0)