Vermont American 26131 XTEND Cordless Series Carbide Tipped Circular Saw BladesXTEND " Cordless series circular saw blades are specially designed for optimal performance in portable cordless saws. Blades feature scalpel-sharp teeth and a mirco kerf edge to cut with less drag and resistance than standard circular saw blades, yielding up to 40 percent more cuts per battery charge.Vermont American 26131 XTEND Cordless Series Carbide Tipped Circular Saw Blades Features:; Blade design also enhances performance of corded portable saws; Fit most brands of cordless saws; Sets contain one of each tooth configuration for each blade diameter; Size: 5-1/2"; Arbor:10 mm; Kerf: 1.4 mm / .054"; Hook Angle: 20 °; Application: .030"; Tool Type: ATB; Tooth Design: ,Fast rip; Plate Thickness: Portable / cordless; Max. RPM: 10400; Quantity:2:21