Imperial Blades' Standard 9'' 14 TPI Thick Metal Reciprocating Blade is designed for optimal cuts in thick metal. The thin .035'' kerf blade is designed for fast flexible cuts, as well as flush cuts. The straight blade body provides increased beam strength. Recommended applications are: Thick Metal (1/4 – 7/16''), Fiber Cement and more. Compatible with all reciprocating saw tools. Recommended applications: Thick Metal (1/4 - 7/16 Thin .035 Straight blade body for increased beam strength 9in. (229mm) 14 TPI – BiM Compatible with all reciprocating tools