
Corona RazorTOOTH 18-inch
Score: 92/100
Suizan Ryoba
Score: 92/100Rankings

The Corona RS 7510D is a heavy-duty 18-inch folding pruning saw designed for cutting large branches up to 10 inches in diameter. Its RazorTOOTH blade and D-handle make it a top choice for professional landscapers and arborists. While bulkier than smaller models, it offers superior performance and durability for heavy pruning tasks.

The Suizan Ryoba is a professional-grade Japanese pull saw featuring a 9.5-inch double-edge blade with 9 TPI for rip cuts and 15 TPI for cross cuts. It utilizes razor-sharp Japanese steel with a thin kerf to deliver clean, precise cuts with minimal effort, available in folding and fixed handle variants.
| Attribute | ![]() | ![]() |
|---|---|---|
18 inchesbest | 9.5 inches | |
| ↓ lower better | 1.1 lbs | 0.44 lbsbest |
23.25 inches | 23.62 inchesbest | |
— | 0.5 mmbest | |
1 inches | 2.5 inchesbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Handle & Ergonomics(2) | ||
Handle Material | Composite | Cane-wrapped or Polypropylene |
Handle Type | D-handle | Interchangeable |
Dimensions & Weight(2) | ||
Weight (lbs) | 1.1 lbs | 0.44 lbs |
Overall Length (inches) | 23.25 inches | 23.62 inches |
Performance & Usage(2) | ||
Intended Use | Heavy-duty pruning, tree trimming | Woodworking |
Saw Type | Folding | Japanese Pull Saw |
Blade Specifications(5) | ||
Blade Length (inches) | 18 inches | 9.5 inches |
Teeth Per Inch (TPI) (TPI) | TPI | 9/15 TPI |
Blade Material | High-carbon steel | Japanese Steel |
Blade Thickness (mm) | mm | 0.5 mm |
Blade Width (inches) | 1.0 inches | 2.5 inches |
Build & Durability(2) | ||
Blade Coating | Chrome | null |
Replaceable Blade | true | |
General(1) | ||
Warranty | Limited lifetime | null |


Products in the top-left offer the best value (high score, low price).

Professional reviewers and editors praise the Corona RazorTOOTH 18-inch Pruning Saw for its efficiency and build quality, specifically highlighting the RazorTOOTH blade's ability to cut limbs up to 10 inches effortlessly.
Everyday users commonly praise the saw's sharpness and speed, noting that it effortlessly cuts through thick branches and wood up to 4-5 inches, often handling larger diameters with ease.

Professional reviewers, including Jonathan Katz-Moses, praise the Suizan Ryoba as a personal favorite for all-around hand sawing due to its weight balance, sharp edge, and thin kerf. Experts highlight the efficiency of the pull-stroke design and the durability of the Japanese steel, though they note that users must adapt to the non-cutting forward motion.
Everyday consumers commonly praise the saw for its immediate sharpness, smooth cutting performance, and lightweight efficiency compared to Western saws. Users appreciate the versatility of the dual-edge blade and the value for Japanese quality. Recurring complaints focus on the difficulty of cleaning cane handles, the initial learning curve for the pull stroke, and occasional cosmetic cracks in the hand-wrapped handles.
“effortlessly cuts through thick branches and wood up to 4-5 inches”

“good grip that's comfortable for long sessions”

“safer alternative to a chainsaw that performs well and should last a long time”


