RAZORSAW WOODSLIM PRO Japanese pruning saw: an ultra-thin blade for precision pruning
The RAZORSAW WOODSLIM PRO 150 mm is a compact Japanese pruning saw designed for work requiring precision and easy handling.
Particularly suited to fruit trees, shrubs and densely branched plants, including Niwaki, it allows accurate cutting in confined areas where a conventional pruning saw would be difficult to position.
Made in Japan by RAZORSAW, it combines an ultra-thin 0.5 mm straight blade, a narrow tip and a natural wooden handle.
An ultra-thin 0.5 mm blade for precise, effortless cutting
The WOODSLIM PRO stands out for its blade thickness of just 0.5 mm, producing a kerf only 0.72 mm wide.
This thin blade removes less wood and reduces the effort required for sawing. Its fine tooth pitch also makes it easier to start a cut without excessively shaking delicate branches, an advantage when pruning small branches and fragile growth.
The 150 mm blade provides a suitable cutting stroke for detailed work while remaining compact. A recommended maximum branch diameter is approximately 7–8 cm.
Set teeth to reduce friction
The WOODSLIM PRO features set teeth, slightly bent alternately to either side of the blade to produce a kerf wider than the blade itself.
This geometry reduces friction between the blade sides and the wood, helping to prevent binding.
With a 2.5 mm tooth pitch (approximately 10.2 TPI), this saw is designed for fine, accurate cutting.
An 11 mm narrow tip for reaching tight branch forks
The WOODSLIM PRO features a tapered blade profile, measuring 27 mm in height near the handle and just 11 mm at the tip.
This narrow tip makes it easier to insert the saw into tight branch forks and densely branched areas.
It also allows accurate blade positioning close to the base of the branch being removed, particularly during formative, thinning and maintenance pruning.
Ideal for shrubs, fruit trees and Niwaki
The combination of a short blade, narrow tip and reduced thickness makes the WOODSLIM PRO particularly suitable for:
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Formative pruning of young fruit trees.
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Thinning and selective pruning of Niwaki.
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Maintenance of shrubs and small ornamental trees.
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Removing branches in tight forks.
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Precision work in densely branched plants.
A compact, lightweight Japanese saw: only 60 g !
With an overall length of 260 mm and a weight of just 60 g, the WOODSLIM PRO offers excellent handling for detailed pruning work.
Its protective sheath brings the overall length to 265 mm and the total weight to 110 g.
These compact dimensions make the saw easy to carry, store and use in confined spaces.
A Japanese saw designed to cut on the pull stroke
Like most Japanese pruning saws, the WOODSLIM PRO cuts primarily on the pull stroke, when the user draws the blade towards them.
This cutting action provides precise control and keeps the blade under tension during cutting, reducing the risk of bending caused by compression forces.
For efficient sawing, use smooth, steady pull strokes without applying excessive pressure on the return stroke.
Natural wooden handle for comfortable handling
The WOODSLIM PRO features a natural wooden handle, offering a pleasant feel and a comfortable grip for precision work.
Its simple design prioritises lightness, control and functionality.
The wooden sheath includes a synthetic-material belt loop, suitable for belts up to 55 mm wide.
Replaceable blade for extended tool life
The WOODSLIM PRO is equipped with a replaceable blade.
The original RAZORSAW R691 150 mm replacement blade allows the wooden handle to be retained when the teeth become worn or damaged, extending the useful life of the tool.
RAZORSAW WOODSLIM PRO 150 mm technical specifications
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Manufacturer: RAZORSAW
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Series: WOODSLIM PRO
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Type: Japanese straight-blade precision pruning saw
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Blade length: 150 mm
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Overall saw length without sheath: 260 mm
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Overall length with sheath: 265 mm
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Belt loop: Synthetic material, fits belts up to 55 mm wide
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Blade thickness: 0.5 mm
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Kerf width: 0.72 mm
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Tooth configuration: Set teeth
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Tooth pitch: 2.5 mm (approximately 10.2 TPI)
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Blade height at tip: 11 mm
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Blade height near handle: 27 mm
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Cutting action: Pull stroke
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Handle: Natural wood
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Saw weight without sheath: 60 g !
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Total weight with sheath: 110 g
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Replacement blade: RAZORSAW R691
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Made in Japan
Blade maintenance and replacement
Regular maintenance helps preserve cutting performance and extend the service life of this Japanese pruning saw.
Cleaning the blade
After use, remove sawdust and plant residues from the blade.
To remove sap, resin or tannin deposits, use a suitable cleaner such as RAZORSAW Yanipika.
Dry the blade thoroughly before storage. For longer periods of storage, apply a thin film of Kurobara Tsubaki camellia oil to help prevent corrosion.
Caring for the wooden handle
Avoid prolonged exposure to moisture or intense heat. After use in wet conditions, allow the wooden handle to dry naturally before storage.
Replacing the blade
When the teeth become worn or damaged, replace the blade with the original RAZORSAW R691, following the manufacturer's instructions.
Niwashi advice for precise, tree-friendly pruning
The narrow tip of the WOODSLIM PRO makes it easier to reach tight branch forks, but its ultra-thin blade should not be subjected to excessive sideways pressure.
Let the teeth cut on the pull stroke, using smooth, controlled movements without forcing the blade.
When removing a branch, respect the branch bark ridge and branch collar to support the tree's natural wound closure and compartmentalisation processes.
For heavier branches, make a relief cut before the final cut to prevent bark tearing.
A clean, properly guided blade suited to the branch diameter helps achieve precise cuts while protecting tree health.
