Semi-convex edge for durability that dramatically extends the blade life. Designed to allow the groomer to cut through tough mats easily and makes a rough-in more efficient they are forged from the finest authentic 440-C Japanese steel. Includes FREE Shark Fin® Case, Shear Fit™ Finger Fitting System, Polishing Cloth and Lubricating Oil Pen (Retail Value $69.95). All Shark Fin Shears come with an unconditional lifetime warranty. TO VIEW A MUCH LARGER DETAILED PICTURE OF THIS SHEAR, FIRST CLICK ON "VIEW FULL SIZE" THEN CLICK ON MAXIMIZE BUTTON IN THE UPPER RIGHT HAND CORNER OF THE PICTURE".