🔧 SIGNET 52391 – 3-Way Ratchet Driver | Adjustable Multi-Angle Precision Tool
🇯🇵 Engineered in Japan for Professionals Who Demand Precision
The SIGNET 52391 Ratchet Driver redefines versatility.
Designed with Japanese engineering excellence, it’s a multi-angle, reversible ratcheting driver that delivers smooth torque, precise control, and unmatched usability in tight or awkward spaces.
Whether you’re a mechanic, technician, or hobbyist, this compact powerhouse ensures efficiency, accuracy, and comfort in every turn.
⚙️ Key Features
🔄 3 Adjustable Working Angles (180° / 45° / 90°)
One driver — three configurations:
Straight (180°) – for standard operations and long-reach access
Pistol Grip (45°) – for confined areas and improved leverage
T-Handle (90°) – for maximum torque with stable control
Switch angles seamlessly to match your workspace and task — ideal for automotive repair, precision assembly, and maintenance.
↔️ Reversible Ratcheting Mechanism (Right / Fixed / Left)
Rotate in your preferred direction without changing grip.
Simply flip the selector to switch between tightening, neutral, and loosening, enabling one-handed operation with consistent rhythm and efficiency.
💪 Compact but Powerful Design
Don’t underestimate its size.
At only 115 mm handle length and 96 mm head length, this driver delivers exceptional torque with fine balance — compact enough for engine bays, control panels, and tight compartments.
🧰 High-Strength Alloy Construction
Built from premium heat-treated alloy steel, precision-cut for smooth gear engagement.
Every internal ratchet tooth is engineered for low backlash, long life, and reliable performance even under daily professional use.
✋ Ergonomic Grip for Maximum Comfort
The contoured handle provides a secure, anti-slip grip that reduces hand fatigue during continuous work.
It feels solid, balanced, and ready for precision movement.
🪛 Versatility Meets Reliability
Compatible with standard 1/4" hex bits
Works with multiple bit types: Phillips, slotted, Torx, and hex
Compact form fits perfectly in pocket tool rolls or service pouches
A go-to driver for mechanics, electricians, and engineers alike
📏 Specifications
Specification Detail
Model SIGNET 52391
Type 3-Way Adjustable Ratchet Driver
Working Angles Straight 180°, Pistol 45°, T-Type 90°
Rotation Modes Right / Fixed / Left
Handle Length 115 mm
Head Length 96 mm
Drive Type 1/4" Hex Bit Compatible
Material Heat-treated Alloy Steel
Finish Polished / Corrosion-Resistant
Country of Origin Japan
🧠 Why Choose SIGNET Tools
For over 30 years, SIGNET has been a trusted Japanese brand recognized for:
Precision machining and ergonomic balance
Industrial-grade materials that resist wear and fatigue
Smooth ratcheting action with reliable torque control
Tools designed to work smarter, not harder
SIGNET tools combine the craftsmanship of Japan with modern engineering — giving professionals around the world tools that inspire confidence and deliver performance day after day.
🪛 Ideal Applications
Automotive repair & maintenance
Machine assembly and manufacturing
Electrical and industrial equipment
DIY, electronics, and precision hobby work
Its adjustable head and reversible mechanism make it perfect for narrow spaces, angled screws, and precision work where flexibility is essential.
🎁 Package Contents
1 × SIGNET 52391 3-Way Ratchet Driver
(Bits not included. Works with standard 1/4″ hex bits.)
💬 Catchphrases / Marketing Lines
“Three angles. Infinite possibilities.”
“Compact power — precision from Japan.”
“One driver. Every direction.”
“The perfect balance of strength, control, and craftsmanship.”
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