Festool KS 120 REB
Score: 92/100
Evolution R255SMS-DB-Li
Score: 88/100Rankings
The Festool Kapex KS 120 REB is a high-precision sliding compound miter saw featuring a rail-forward design and twin-column guide for enhanced accuracy. It offers superior dust extraction, dual laser guides, and micro-adjustable bevel capabilities, making it ideal for professional trim work. It is best suited for professional woodworkers and cabinetmakers needing precise miters and bevels in tight spaces.

The Evolution R255SMS-DB-Li is a powerful cordless dual bevel sliding miter saw designed for mobile professionals who need multi-material cutting capabilities. Its primary trade-off is a more complex bevel adjustment process and lower RPM speed compared to corded models. It is best suited for users who prioritize portability and cordless freedom without sacrificing cutting power.
| Attribute | Festool KS 120 REB | ![]() |
|---|---|---|
10.24 inchesbest | 10.04 inches | |
13.3 ampsbest | — | |
12 inchesbest | 12 inchesbest | |
47 degrees | 96 degreesbest | |
120 voltsbest | 36 volts | |
60 degrees | 100 degreesbest | |
3,600 RPMbest | 3,000 RPM | |
| ↓ lower better | 50.9 lbs | 36.6 lbsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | Festool KS 120 REB | ![]() |
|---|---|---|
Cutting Performance(3) | ||
Blade Diameter (inches) | 10.24 inches | 10.04 inches |
Max Cut Capacity (inches) | 12.0 inches | 12.0 x 3.54 inches |
No-Load Speed (RPM) | 3600 RPM | 3000 RPM |
Portability & Build(1) | ||
Product Weight (lbs) | 50.9 lbs | 36.6 lbs |
Safety(1) | ||
Safety Features | Dual Lasers | Soft start, electronic blade brake |
Angle Versatility(3) | ||
Bevel Range (degrees) | 47 degrees | 96 degrees |
Miter Range (degrees) | 60 degrees | 100 degrees |
Miter Stops | Backstop | |
Power & Motor(5) | ||
Motor Power (amps) | 13.3 amps | N/A amps |
Motor Type | Standard | Brushless DC |
Power Source | Corded | Cordless |
Voltage (volts) | 120 volts | 36 volts |
Cord Length (feet) | feet | N/A feet |
Value & Extras(2) | ||
Warranty Length (years) | 3 years | N/A years |
Included Accessories | Saw, Batteries, Charger, Dust Port, Blade, Tools | |

Products in the top-left offer the best value (high score, low price).
Common praise aligns with expert opinions, focusing on precision, portability, and ease of use, while no recurring complaints are detailed.

Professional reviewers highlight the saw's exceptional power and multi-material performance, noting it handles thick wood and steel with ease. While the dual bevel, laser, and limiters are praised, reviewers consistently point out that bevel adjustments are fiddly and initial calibration is required.
Everyday users commend the saw for its unflagging power on thick materials and portability. Common praise focuses on smooth, square cuts and reliable battery life, while complaints center on the cumbersome bevel setup process.
“absolutely destroys wood”

“Destroys thick wood and beams without slowing or stuttering”

