GEARWRENCH 9520D 10 Piece 72 Tooth 12 Point Stubby Metric Ratcheting Combination Wrench Set 10mm to 19mm For Tight Spaces
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72-Tooth Stubby Ratcheting Wrenches for High-Torque Confined Fastener Operations
The GEARWRENCH 9520D 10-Piece Stubby Ratcheting Combination Metric Wrench Set is a high-strength alloy steel hand tool array engineered for loosening and tightening fasteners in highly restricted clearance environments. Featuring a compact stubby beam design, these tools provide critical mechanical advantage inside obstructed engine bays and complex machinery where standard-length combination wrenches cannot fit. Each wrench features a precision-engineered 12-point box end integrated with a 72-tooth ratcheting gear that requires a minimal 5-degree swing arc to turn hardware. Shifting contact points away from fastener corners via proprietary off-corner loading technology, this full-polish chrome set maintains maximum torque while preventing material rounding.
Best Used For:
- Automotive Engine Maintenance: Accessing tightly packed tensioner pulleys, manifold bolts, and firewall-adjacent brackets inside compact vehicle engine bays.
- Industrial Machinery Repair: Servicing hydraulic fittings, pumps, and factory assembly line gearboxes with restricted structural clearances.
- General Assembly Operations: Driving 12-point and 6-point metric fasteners ranging from 10mm to 19mm in recessed horizontal or vertical spaces.
Key Performance & Safety Features
- 72-Tooth Fine Ratchet: Integrated gear mechanism requires only a 5-degree precision swing arc to move fasteners, ensuring rapid cycles in tight slots.
- Stubby Beam Profile: Minimized total tool length allows unobstructed rotation and placement within confined spatial enclosures.
- Off-Corner Loading Engineering: Directs rotational torque forces onto the flat faces of metric hardware to maximize grip integrity and prevent stripping.
- Ultra-Thin Geometry: Slim box and open-end head profiles slip effortlessly into cramped gaps between hardware components.
- Full-Polish Chrome Alloy Steel: Forged from industrial-strength steel alloy and polished to a bright finish that resists chemical corrosion and wipes clean easily.
- 15-Degree Open End Offset: Angled open-end pattern delivers greater clearance over structural obstructions when flipped during manual rotation.
What's Included
- (1) 10mm Stubby Ratcheting Combination Wrench
- (1) 11mm Stubby Ratcheting Combination Wrench
- (1) 12mm Stubby Ratcheting Combination Wrench
- (1) 13mm Stubby Ratcheting Combination Wrench
- (1) 14mm Stubby Ratcheting Combination Wrench
- (1) 15mm Stubby Ratcheting Combination Wrench
- (1) 16mm Stubby Ratcheting Combination Wrench
- (1) 17mm Stubby Ratcheting Combination Wrench
- (1) 18mm Stubby Ratcheting Combination Wrench
- (1) 19mm Stubby Ratcheting Combination Wrench
- (1) Organized Heavy-Duty Compression Storage Rack
Technical Specifications
| Specification Parameter | Technical Value |
|---|---|
| Brand | GEARWRENCH |
| Model Number | 9520D |
| Measurement Type | Metric |
| Size Range | 10mm to 19mm |
| Tooth Count | 72 Tooth |
| Swing Arc | 5 Degrees |
| Drive Type | 12 Point |
| Length Format | Stubby |
| Material | Alloy Steel |
| Finish | Full Polish Chrome |
| Catalog Weight | 2.30 lbs |
| Open End Offset | 15 Degrees |
| Standards | Meets or Exceeds ASME & ANSI |
| Warranty | Full Lifetime |
Pro-Tip: Use the 15-degree offset open end to initial-break highly frozen or rusted fasteners loose before engaging the fine 72-tooth ratcheting mechanism, protecting the internal gear assembly from extreme high-shock peak loads.
