Bonsai Root Hooks are designed to easily allow the detangling and clean up of root balls when repotting bonsai trees. The Single Root Hook allows soil to be removed from the root ball with minimal harm to the tree, compared to two or three hook rake styles. It allows you to carefully choose the area to detangle with less resistance placed on the root ball. The Choice of Root hook by most professionals. With a High Grade Stainless Steel hook and beautifully crafted, light wooden handle for comfort. OSUKA Bonsai Tools are manufactured in Southern China using High Grade Stainless Steel imported from Japan.