One of the most essential and practical tools to have when you own a Bonsai tree is a knob cutter. This premium quality tool features a fully rounded cutting edge which will allow you to cut into the branches of your bonsai tree, leaving a smoother, more flush wound on the trunk. This process helps facilitate smooth callusing, which helps with the trees' healing process as well as giving a more visually pleasing result.. Our high-quality carbon steel knob cutter measures approximately 15cm in length and is sourced from Yagimitsu; a well-known brand that Bonsai artists choose time and time again. These hard-wearing and durable tools can easily last many, many years, with minimal maintenance.. Features:. Suitable for indoor and outdoor use. Essential tool if you have a bonsai tree you want to shape and maintain. Approximate length: 15cm. Compact packaging