
Klein Tools Folding Jab Saw
Score: 88/100
Ruitool Japanese Hand Saw
Score: 78/100Rankings

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 RUITOOL Japanese Pull Saw is a Ryoba-style double-edged pull saw featuring a flexible SK-5 high-carbon steel blade optimized for precision woodworking tasks. Its dual tooth configurations and lightweight design make it an affordable entry point for DIYers. It is best suited for beginners, hobbyists, and carpenters needing detail work like flush-cutting and joinery.
| Attribute | ![]() | ![]() |
|---|---|---|
5.2 inches | 6 inchesbest | |
8 TPIbest | — | |
| ↓ lower better | 0.538 lbs | 0.24 lbsbest |
11.9 inches | 12.2 inchesbest | |
— | 0.5 mmbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Handle & Ergonomics(2) | ||
Handle Material | Plastic with rubber grips | Beechwood |
Handle Type | Cushioned Palm | |
Dimensions & Weight(2) | ||
Weight (lbs) | 0.5375 lbs | 0.24 lbs |
Overall Length (inches) | 11.9 inches | 12.2 inches |
Performance & Usage(4) | ||
Intended Use | Drywall, wallboard, plywood, plastic | Woodworking, Joinery, Trim |
Saw Type | Folding Jab Saw | Japanese Pull Saw |
Cutting Action | Bidirectional | Pull-stroke |
Suitable Materials | Drywall, Plywood, Plastic | Softwood, Hardwood |
Blade Specifications(3) | ||
Blade Length (inches) | 5.2 inches | 6 inches |
Teeth Per Inch (TPI) (TPI) | 8 TPI | 14/17 TPI |
Blade Material | Hardened carbon steel | SK-5 High-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 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.

“Blade cuts smooth through drywall like butter-folds perfectly, no more ripped bags”

“Love the 125° angle for corners; grip is comfy for hours”

“Sturdy lockback, lightweight, tether hole is a game-changer on ladders”




Professional reviewers praise the RUITOOL saw for its surgical precision, versatility, and beginner-friendly balance, noting it is an excellent value option for hobbyists.
Users generally praise the saw for its sharpness and lightweight comfort, but complain about the slippery handle and rapid dulling after heavy use.