Premium Dinner knife in Wasabi Series The WASABI Series can be seem as Tin. The handmade hammer gives the stainless steel a warmth and luxury ,and also make scratches less noticeable .The Premium series has at thick handle and a gentle curve , making it easy to hold.WASABI Premium Series it has been designed with smaller size for use in Asia. Premium Dinner knife in Wasabi Series, manufactured by Sohdo and made in Japan.