Product Features:12 assorted heat treated Bi-Metal Reciprocating saw blades used for your most common applicationsPerfect set for cutting metal, wood, PVC or just general Demo work at the job siteThe Bi Metal construction allow the blades to be flexible yet continue to cut much longer than a standard bladeTough expandable case holds blades and fits easily into most power tool kit boxesSet Includes (4)- 6 x 6TPI, BIM, (3)- 6 x 18TPI, BIM, (2)- 8 x 14TPI, BIM, (2)- 9 x 6TPI, BIM, (1)- 9 x 10TPI, DEMO, BIM