COMPATIBILITY: Delta 22-560 22-562 22-565 TP400LS，Craftsman 21758, Wen 6550,Triton TPT125, Performax, Grizzly, TP305,Porter Cable PC305TP W6 laminated high-speed steel construction blades stay sharper and last longer than conventional knife materials Machined locator holes help users align knives on cutter-head during knife change fast and easy Blade material: HSS(High Speed Steel)；Hardness: HRC 63-65° Size and Packed: 12-1/2"x15/32"x1/16"，2pcs in a Plastic box Description： 1.Brand: Asieg Tool 2.Cutting Edge：2 3.Material：high-speed steel（HSS） 4.Length：12.5 Inches 5.Width: 15/32" 6.Thickness: 1/16" 7.Fits for：Delta 22-560 22-562 22-565，Craftsman 21758, Wen 6550,Triton TPT125, Performax, Grizzly, TP305,Porter Cable PC305TP 8.Package: Set of 2, Plastic case packaging Note: 1.0.1-0.3mm error might exist due to manual measurements,thanks for your understanding; 2.Knives are sharp please be careful When using blades; 3.Please don't let children touch it.