3 per package Mini Hack Saw blades 5-3/4in. long between pins. .250in. wide x .015in. thick. Available in 2 different TPIs (Teeth per Inch): MH63602BL is 15 TPI and is for cutting hard or soft wood. MH63603BL is 32 TPI and is for cutting metal or plastic with a medium smooth finish. Mini hack saws are great for working in tight spaces. Used by professionals, DIY-ers and hobbyists.