Premium Teaspoon 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 Teaspoon in Wasabi Series, manufactured by Sohdo and made in Japan.