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A specialist steel tool for controlled removal of branch stubs.
Material: Steel · Dimensions: 6.2 × 20.2 × 2.2 cm
The Bonsai steel concave cutter (GT298) is the specialist tool for cuts where ordinary shears would leave a flat or projecting stub. Its curved steel jaws fit around the selected part of the branch and create a controlled concave cut through steady pressure without twisting.
Support the trunk, check the branch-collar line and place the jaws only on the stub you intend to remove. The cut should be controlled, never deep and blind.
The jaws remove the centre of the stub in a controlled way rather than flattening it.
The solid construction keeps the jaws aligned while pressure is applied.
The cut is planned and checked before the jaws close fully.
The Bonsai steel concave cutter (GT298) is intended for branch stubs that fit comfortably and visibly within the jaws.
After initial removal, the jaws shape the remaining stub in a controlled way.
The area remains clean and visible for aftercare appropriate to the individual tree.
branch stubs that fit comfortably and visibly within the jaws
Hardness, diameter and access must allow the jaws to close comfortably.
wire, roots, oversized or exceptionally hard wood and sideways twisting
Safe technique depends on preparation, visibility and calm movement.
Identify the branch collar, trunk direction and exact remaining stub.
Open and centre the jaws without pressing into healthy tissue.
Close in one steady action without twisting or making a deep blind cut.
Remove debris from the jaws, dry and apply a thin oil.
Species, season, position and cut size influence aftercare. The tool does not replace horticultural assessment.
These details apply to this specific product without adding unsupported capabilities.
Remove sap and woody residue immediately after work.
Dry the jaws and pivot fully before storage.
Apply a thin protective oil and store closed, away from children.
For fine everyday cuts on soft growth and deadheading before the specialist concave cutter is needed.
Its curved jaws remove part of a branch stub in a controlled way. Ordinary shears create a different, flatter cut profile.
There is no universal thickness. Wood hardness, species and access change resistance; use it only when the stub fits and cuts comfortably.
No. Wire damages the cutting edge and roots require an appropriate root tool.
There is no single answer for every tree. The choice depends on species, season, cut size and position.
Remove sap and debris, dry fully and apply a thin protective oil before storage.
The package contains one Bonsai steel concave cutter (GT298). A case, oil and other tools are not included.
© Original product description and diagrams by Greenleaf Garden Center. All rights reserved. Reproduction is prohibited.
