Super Mini Pocket Sharpening SR320. These Knife Accessories from the experts at Super are created using incredibly durable edge retaining materials and construction to provide you with a sharp edge that will last you a very long time. For an amazing way to make sure you are working with the blades you'll need to last the duration of your everyday cutting tasks purchase the Super Mini Pocket Sharpening. Specifications for Super Mini Pocket Sharpening: Manufacturer: Super Handle Material: Brass Overall Length: 3.375 in Blade Material: Steel Blade Length: 2.5 in Package Contents: Super Mini Pocket Sharpening Super SR320: Mini Pocket Sharpening