Designed to sharpen commercial kitchen knives, this revolutionary 3-stage knife sharpener can be used on fillet knives, butcher knives, sports knives and all fine edged knives. Stages 1 and 2 use 100% diamond abrasive disks, creating in just seconds an edge of unprecedented sharpness and durability. Stage 3 uses ultra-fine, proprietary stropping disks to create razor sharp, arch-shaped edges that last. Measures 14 7/8" L x 8 1/8" W x 8 3/8" H. UL listed. One-year warranty. Model # 210008.