Gatco Sharpeners Easy-GripClamp Mount Red. The Gatco Sharpeners Easy-Grip Knife Sharpening Accessory is especially useful and just an outstanding accessory when sharpening large knives or many knives in succession. The Gatco Sharpeners Easy-Grip Clamp Mount for Knives can be permanently attached to any work surface with screws or C-clamped for portability. Specifications for Gatco Sharpeners Easy-Grip Clamp Mount: Manufacturer: Gatco Sharpeners Handle Material: ABS Blade Material: ABS Package Contents: Gatco Sharpeners Easy-Grip Clamp Mount for Knives Gatco Sharpeners 12001: Easy-GripClamp Mount Red