Blades Are 1 Inch Tall For Straight, Fast Cutting And With The Ability To Flex In Tight Cutting Situations. Heat Treating Process Extends The Life Of The Blades. The 18 Teeth Per Inch Blade Should Be Used On Material 1/8 Inch Through 3/16 Inch Thick. Applications: Demolition, Plumbing, Remodeling, General Metal Cutting, Cuts Pipe, Channels, Tubing, Angle Iron Up To 4 In., Nail Embedded Wood, & Steel.