1/8 X 1/2 X 4-1/2″ P3S 8% Cobalt Parallel Cut-Off Blade (2000-7025) ~ Superior type of high speed steel which works better in high heat applications. ~ Use this type of blade for heavy cuts in hard materials. ~ Parallel style blades have continuous width of cutting edge throughout length of blade. ~ Can be used with Aloris, DORIAN & KDK type quick-change tool holders. ~ Chip breaker groove ground along the top length of the blade. ~ One beveled end, one square end.