1.We are the manufacturer. 2.Description:T144D Jig Saw Blade 3.Material:High Carbon Steel 4.Use:Cutting Wood T144D Jigsaw blade Fast straight cutting, Idea for hardwood ,softwood and laminated boards.T144D Jigsaw blade5 pcs per setFast straight cutting, Idea for hardwood ,softwood and laminated boards.Teeth distance 4.0mm(6tpi)Working length 75mm(3")Total length 100mm(4") T144D jigsaw blade