About Kai USA LTD., Kershaw Knives, Zero Tolerance Knives and Shun Cutlery
Kai USA LTD. is home to leading knife brands Kershaw, Zero Tolerance, and Shun Cutlery. The company offers in-person warranty and servicing for their pocket and kitchen knives, though they do not sell products directly. Customers have praised Kai's excellent customer service, with one reviewer receiving a replacement knife after a small part broke on their 6-month old knife. Another reviewer sent in a set of 5 Shun knives for servicing, with Kai expertly remedying major chips and resharpening the blades. Customers have also been satisfied with Kai's Kershaw pocketknives, citing smooth opening, secure blade locking, and reliable cutting performance. Overall, Kai USA provides high-quality knives and exceptional post-purchase support for their customers.
Repaired 2 knives while I waited. Very quick and efficient!
February 2026
You're able to walk in to get your Kershaw, Shun, and ZT knives sharpened or repaired. No appointment needed. Sharpening usually takes less than 10 minutes. Love it
December 2025
ordered a knife sheath that turned out to be wrong size and the folks at Kai went above and beyond to get me the right one and take care of the return. real human beings at this company actually who know their stuff and help!