Smiths Diamond Edge Grip MAX Sharpener Gray/White. The Edge Grip Max has a non-slip base giving you added stability while sharpening your knives and Smiths patented Edge Grip technology allows for sharpening on a table or countertop edge to prevent your larger knives from dragging over the surface. This Edge Grip sharpener can be used to sharpen straight and serrated knives as well as your favorite pair of scissors. Specifications for Smiths Diamond Edge Grip MAX Sharpener: Manufacturer: Smiths Color: Gray/White Features of Smiths Diamond Edge Grip MAX Sharpener Dual slot preset diamond sharpening blades and triangle ceramic rods Patented EdgeGrip feature and Soft-grip handle Left or Right handed scissor sharpener slot Use on straight and serrated edge knives (ceramic slot only) Easy to use Package Contents: Smiths Diamond Edge Grip MAX Sharpener Smiths SP-51003: Diamond Edge Grip MAX Sharpener Gray/White