
Gyokucho Flush Cutting Saw
Score: 85/100
Klein Tools Folding Jab Saw
Score: 88/100Rankings

The Klein Tools 31737 is a compact, folding jab saw designed for drywall and construction work, featuring a hardened carbon steel blade that folds into a comfort-grip handle. It offers bidirectional cutting with triple-ground teeth and a versatile lockback mechanism with positions at 125 and 180 degrees for use in tight spaces. It is ideal for professionals prioritizing portability and bag safety over maximum blade length.

The Razorsaw Gyokucho Flush Cutting Saw Ryoba 1151 is a compact Japanese pull saw designed for precise, scratch-free flush cuts on dowels and plugs. Its thin, flexible blade and dual-edge configuration offer exceptional versatility for fine woodworking. However, the non-replaceable blade and delicate nature require careful handling and limit its use for heavy-duty tasks.
| Attribute | ![]() | ![]() |
|---|---|---|
4.92 inches | 5.2 inchesbest | |
32 TPIbest | 8 TPI | |
| ↓ lower better | 0.12 lbsbest | 0.538 lbs |
10.63 inches | 11.9 inchesbest | |
0.3 mmbest | — | |
1.26 inchesbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Handle & Ergonomics(2) | ||
Handle Material | Beech Wood | Plastic with rubber grips |
Handle Type | Riveted | Cushioned Palm |
Dimensions & Weight(2) | ||
Weight (lbs) | 0.12 lbs | 0.5375 lbs |
Overall Length (inches) | 10.63 inches | 11.9 inches |
Performance & Usage(4) | ||
Intended Use | Flush Cutting, Dowel/Plug Trimming, Joint Trimming | Drywall, wallboard, plywood, plastic |
Saw Type | Japanese Pull Saw | Folding Jab Saw |
Cutting Action | Pull | Bidirectional |
Suitable Materials | Hardwoods, Softwoods | Drywall, Plywood, Plastic |
Blade Specifications(3) | ||
Blade Length (inches) | 4.92 inches | 5.2 inches |
Teeth Per Inch (TPI) (TPI) | 32/21 TPI | 8 TPI |
Blade Material | Impulse Hardened Steel | Hardened carbon steel |
Build & Durability(1) | ||
Blade Coating | Triple Ground | |
General(1) | ||
Warranty | 1 year | |

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

Professional reviewers praise the exceptional sharpness, flexibility, and precision, highlighting the 0.3 mm blade and zero-set teeth for scratch-free flush cuts.
Users report high satisfaction with out-of-box sharpness and clean flush cuts, though some caution is advised regarding its delicate nature.

“really sharp”

“lovely and flexible”

“lovely and flat”




Professional reviewers and editors consistently rate the Klein Tools 31737 highly, noting its innovation in storage safety and cutting efficiency. Editors highlight that the blade is as sturdy as fixed-blade alternatives while offering the convenience of a folding design.
Everyday users and contractors express strong satisfaction with the product's ability to cut drywall smoothly and protect tool bags from damage. Common praise focuses on the comfortable grip, the utility of the 125-degree angle for corners, and the convenience of the tether hole for ladder work.