some knife sharpener brands that chefs commonly approve of include:
Chef'sChoice: This brand offers various electric knife sharpeners with different sharpening angles to suit various types of knives.
Wusthof: Known for their high-quality knives, Wusthof also produces manual knife sharpeners that chefs often find reliable.
Lansky: This brand is well-regarded for its precision knife sharpening systems, which use guided rods to maintain consistent angles.
Spyderco: While primarily known for their knives, Spyderco also produces excellent sharpening systems and stones.
Work Sharp: Renowned for their electric knife sharpeners, Work Sharp provides a range of options for both home cooks and professional chefs.
DMT: Diamond Machining Technology offers diamond-coated sharpening stones that many chefs consider to be effective for maintaining sharp edges.
It's important to note that the "best" knife sharpener can vary based on individual preferences and the types of knives you use. Some chefs may prefer electric sharpeners for quick results, while others prefer manual methods for more control. Always read reviews, do your research, and consider your specific needs when choosing a knife sharpener.