Make medium turns in wood and other soft materials with the Stanley 6-1/2 inch x 20 TPI coping saw blades, which have lock looped ends and 20 teeth per inch. Designed for use with coping saws, these flexible blades are made of high-carbon steel that has been heat treated and tempered for durability. Steel bladesHeat treated for strengthTempered for flexibilityFits coping saws 15-104 (2523-3008), 15-106 (2523-3032), and 15-106A (2523-3057)6-1/2 in. long20 teeth per inch4 per card