Amana Tool LB10801 Non Melt 10-Inch x 80 Tooth M-TCG 5/8-Inch Bore Plastic Cutting Saw Blade Cuts acrylics and other plastics without melting the material. 10 Inch x 80 Teeth Modified Triple Chip grind -2 Degree Hook Massive tool steel plate, with laser cut expansion slots allowing the blade to expand and contract from heat preventing warpage. Extra large carbide teeth provide more resharpenings. Copper Plugs to reduce noise and vibration during operation Tension rings which maintains the blades straightness under stress of operation