Description DeWalt 0.020 In. 14 TPI portable band saw blades (DSW3982) maximize the performance of your portable band saw. These blades are constructed with a matrix II high speed steel edge and an alloy steel backer for heat and wear resistance. With a 65-67 tooth hardness and an 8 percent cobalt content, these blades are manufactured to provide performance on the jobsite. All the blades are 44-7/8 In. long and 1/2 In. in height.Matrix II high speed steel edge for heat and wear resistance8% cobalt content for added durability & wear65-67 tooth hardness for increased wear resistanceAlloy steel backer for fatigue resistance