{"product_id":"leontool-bonsai-tool-set-8-carbon-steel-concave-spherical-knob-cutters-with-flannel-bag-and-long-handles","title":"LEONTOOL Bonsai Tool Set — 8\" Carbon-Steel Concave \u0026 Spherical Knob Cutters with Flannel Bag and Long Handles","description":"\u003cp\u003e\u003cstrong\u003eLEONTOOL Bonsai Tool Set is an 8\" carbon-steel pruning kit featuring one concave cutter, one spherical knob cutter and a flannel storage bag for precise, low-scar bonsai pruning.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact two-piece set gives bonsai hobbyists the core cutting tools needed for branch removal and bark-friendly shaping. Crafted from heat-treated carbon steel with a black oxide finish and polished jaws, the tools balance hardness and corrosion resistance for repeated garden use. The set’s long handles improve reach and leverage, while the flannel storage bag keeps blades protected when not in use.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these cutters reduce visible scarring on bonsai trunks?\u003c\/h3\u003e\n\u003cp\u003eBoth the spherical knob cutter and the concave cutter are designed to remove wood in shapes that encourage faster, neater healing. The spherical cutter carves a rounded recess, and the concave cutter leaves a slightly hollowed surface, which helps new tissue fill from the edges rather than forming raised callus.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSpherical knob cutter produces a rounded cut that sits below the bark line.\u003c\/li\u003e\n  \u003cli\u003eConcave cutter leaves an elongated hollow that encourages even tissue growth.\u003c\/li\u003e\n  \u003cli\u003ePolished, sharp jaws minimize tearing and jagged edges on removal.\u003c\/li\u003e\n  \u003cli\u003eLong handles allow controlled leverage for clean, single-action cuts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and finishes are used, and why do they matter?\u003c\/h3\u003e\n\u003cp\u003eThe tools are forged from heat-treated carbon steel for durability and edge retention, then coated with black oxide to slow surface corrosion. Polished cutting edges reduce friction and make precise cuts easier, extending tool life with proper cleaning and storage.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHeat-treated carbon steel for strength and lasting sharpness.\u003c\/li\u003e\n  \u003cli\u003eBlack oxide finish for improved rust resistance and lower glare.\u003c\/li\u003e\n  \u003cli\u003eFine jaw polishing for smoother, cleaner cuts.\u003c\/li\u003e\n  \u003cli\u003eFlannel bag protects blades and reduces the risk of moisture exposure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich bonsai tasks are best handled by the spherical knob cutter versus the concave cutter?\u003c\/h3\u003e\n\u003cp\u003eUse the spherical knob cutter when removing larger protrusions or knobs where a rounded recess is preferred for inconspicuous healing. Choose the concave cutter for small branch stubs and ball joints where a slightly elongated hollow will close neatly over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSpherical knob cutter: best for removing knobs, burls, and stout branches cleanly.\u003c\/li\u003e\n  \u003cli\u003eConcave cutter: ideal for small branch stubs, ball joints, and precise collar cuts.\u003c\/li\u003e\n  \u003cli\u003eBoth tools support finishing cuts that minimize the need for heavy filler or corrective carving.\u003c\/li\u003e\n  \u003cli\u003eLong handles improve control for delicate or deep cuts on trunk and thicker limbs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I care for and store these bonsai tools to keep them working well?\u003c\/h3\u003e\n\u003cp\u003eAfter each use, wipe blades clean of sap and soil, then dry thoroughly to prevent surface oxidation. Apply a light oil coat before placing tools back in the flannel bag to protect edges and finishes between sessions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eClean blades with a soft cloth and mild solvent if needed to remove resin.\u003c\/li\u003e\n  \u003cli\u003eDry completely and apply a thin layer of tool oil to metal surfaces.\u003c\/li\u003e\n  \u003cli\u003eStore in the included flannel bag away from humidity and direct sunlight.\u003c\/li\u003e\n  \u003cli\u003eSharpen as required with appropriate stones or take to a professional sharpener.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The LEONTOOL Bonsai Tool Set is aimed at beginners and intermediate bonsai enthusiasts who need two specialized cutters that deliver cleaner cuts and easier healing. It’s a practical starter combination for anyone shaping deciduous or conifer bonsai, caring for trunk work, or learning proper pruning technique. Professionals may also keep this pair as a lightweight, portable option for field work or detailed trunk corrections.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these LEONTOOL cutters suitable for hardwood branches?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They handle small to medium hardwood branches; for very thick hardwoods, use larger pruning tools to avoid damaging the cutter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the set include a storage bag and how should it be used?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — a flannel bag is included; dry and oil blades lightly before storing to prevent corrosion.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"LEONTOOL","offers":[{"title":"Default Title","offer_id":56832778174804,"sku":"B0CBJJT5N7","price":51.94,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/leontool-front-view-bonsai-cutters.jpg?v=1787033769","url":"https:\/\/gardenluxe.co.uk\/products\/leontool-bonsai-tool-set-8-carbon-steel-concave-spherical-knob-cutters-with-flannel-bag-and-long-handles","provider":"Gardenluxe Uk","version":"1.0","type":"link"}