A Traditional Bonsai Carving Tool by OSUKA. These Spoon Style Gouges are used to carve deadwood on Bonsai Trees by scraping and lifting the fibrous tissue upwards or downwards, where it may be removed in conjunction with jin pliers to achieve the desired look. Once mastered, it can be one of the most rewarding tools in your collection. OSUKA Bonsai Tools are manufactured in Southern China using High Grade Stainless Steel imported from Japan. They are 19.5cm in length and are available in an 8mm or 10mm carving head. Black Finish.