Every chef (professional or amateur) knows the value of sharp knives for food prep. Theyre faster and safer! Blunt blades need more pressure, and can slip and cause accidents. This smart device has a comfort grip for left and right-handers plus non-slip feet to keep it securely in place whilst diamond grinding wheels hone all your metal and ceramic knives in minutes. A 2-stage process guarantees razor-sharp, professionally finished blades every time. 40W. Retractable power cord, L1m. L21 x W9 x H9.5cm.