| Specification | Detail |
|---|---|
| Tool type | Forged graver for bonsai deadwood carving |
| Model | CT-A series |
| Blade material | 5Cr15MoV alloy steel |
| Overall length | 180 mm |
| Edge hardness | HRC58 |
| Hardening | High-frequency coil quenching |
| Available finishes | Satin and black oxide |
| Brand | TianBonsai |
CT-A Series Product Overview
The entire CT-A series of professional bonsai carving knives adopts premium 5Cr15MoV alloy steel as the core material. This steel grade features high hardness, excellent wear resistance and stable toughness, maintaining consistent cutting performance during long-term repeated carving operations and resisting deformation and blunting. Two standardized surface treatment versions are available to match different usage scenarios and aesthetic needs: CT-AS (Satin Finished) and CT-AB (Black Oxide Finished).
Two Versions & Performance Characteristics
CT-AS (Satin Finished Version)
The CT-AS blade is processed with high-precision satin finishing. It delivers a uniform, delicate and glare-free surface texture with smooth tactile feel and no burrs. This refined surface treatment enables ultra-precise control and smooth carving strokes during production. With an elegant and minimalist metallic appearance, this model is dedicated to fine grain carving, detailed deadwood trimming and high-end indoor bonsai creation, fully meeting strict aesthetic and fine craftsmanship standards.
CT-AB (Black Oxide Finished Version)
The CT-AB blade adopts professional black oxide finishing based on 5Cr15MoV alloy steel substrate, forming a dense, firm and wear-resistant black protective film on the blade surface. Compared with the satin-finished version, the black oxide layer greatly improves anti-rust, anti-oxidation and anti-corrosion performance. It effectively isolates moisture, humid air and subtle corrosive substances to avoid blade rusting, discoloration and performance attenuation. This model adapts perfectly to humid working environments, outdoor bonsai production and high-frequency long-term use, with superior durability and low daily maintenance requirements.
Most sessions with this graver begin once the deadwood area is exposed: you cut the long striated lines and shallow hollows that copy grain left behind by weathering, water erosion and old insect damage. On the crown, the same blade refines Shin — sharpening a tip, cleaning up a taper, or breaking up a silhouette that still looks too tidy. Because it removes wood in thin cuts, it is also the tool for stacking depth: pass after pass of light cuts build grooves and uneven surfaces until the deadwood reads as decades old rather than freshly carved. Where a Jin line runs too straight, or the join between live and dead wood looks abrupt, short controlled strokes smooth the flow so the deadwood follows the tree's own movement. Keep it beside your other bonsai cutting tools and bring it out once the live pruning is finished.
TianBonsai is a bonsai-tool brand with a focused, deep range: carving knives and gravers, bud scissors, branch cutters, wire cutters, multi-piece tool sets, and the cases and roll bags that carry them. Across the series we work in specified alloy steels — 4Cr13MoV, 5Cr15MoV and Mn18Cr2 — with high-frequency quenching, forged edges, right- and left-handed options, and patent-design storage. Ordering from us means one consistent standard of forging, hardening and finishing, and a range that grows with your practice.
A graver is the deadwood tool: it shapes dead wood after the bark has been removed, while scissors, shears and other bonsai pruning tools handle live growth. It is used for the finishing stages of deadwood work rather than for cutting green branches.
The blade is forged from a high-carbon alloy steel and the edge is hardened for repeated carving. That combination gives you a tool that resists deformation and keeps a consistent cutting feel, so you can work through a full session without the edge going slick.
The compact length keeps your hand close to the work for fine lines while keeping the edge clear of your fingers inside a hollow. On long sweeping lines you can hold further back for a straighter stroke; in tight detail you choke up towards the blade. That range of grip is what makes it useful for both broad shaping and fine work.
Yes — the same blade handles both stages. You can strip dead bark from selected areas to expose the wood underneath, then switch to building texture and depth in the exposed surface. Most people finish the live pruning first with their bonsai pruning tools, then use the graver once the deadwood area is ready.
It is made for dead wood. A graver would crush and tear living tissue instead of cutting cleanly, so reach for bud scissors, shears or other bonsai cutting tools on growth and keep this blade for deadwood shaping. Where the two meet, shape the dead side with the graver and leave the living edge to a sharp cutter.
On its own — this listing is a single graver, not a kit. That suits artists who already own the basics and want one dedicated deadwood tool with a known steel and a stated edge hardness. If you would rather begin with a full kit, the multi-piece carving sets in our bonsai tools and supplies range cover bark removal and fine detail work.
It has earned a 5.0 rating from 37 reviews and 389 sold, and it comes from a brand that has served more than 100,000 customers since 2013. That track record is why many artists keep this graver in their kit. If you are looking for bonsai tools for sale that are built for this specific task, this graver is one to consider.
