GEARWRENCH Ratchet Set 86520 1/4 Inch Drive 18 Piece (90-Tooth Flex Head Gimbal Thumbwheel Locking Extensions EVA Foam Tray Automotive Fastening)
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GEARWRENCH 86520 18-Piece 1/4-Inch Drive 90-Tooth Ratchet and Extension Tool Set
The GEARWRENCH 86520 18-Piece 1/4-Inch Drive Ratchet Set features high-precision 90-tooth teardrop ratchets delivering an ultra-tight 4-degree swing arc to maneuver fasteners in confined automotive engine bays and dense industrial machinery. Forged from high-grade alloy steel with a full polish chrome finish, this comprehensive set includes flex-head, gimbal, and thumbwheel ratchets paired with standard, wobble, and locking extensions to eliminate fastener access obstacles. Housed in a chemical-resistant EVA foam storage tray designed for modular tool chest drawers, it equips professional automotive technicians and industrial equipment assemblers with exceptional turning torque, zero-slip socket retention, and immediate visual inventory control.
Best Used For:
- Restricted Automotive Dashboard & Under-Hood Servicing: Navigating around wiring harnesses, brake booster brackets, and dashboard components using the 4-degree 90-tooth swing arc and flex-head ratchets.
- Deep Recessed Fastener Drive & Extraction: Utilizing locking extensions and wobble extensions to drive sockets deep into engine blocks and transmission housings without dropping hardware in dark cavities.
- Low-Torque Zero-Clearance Assembly: Employing gimbal and thumbwheel ratchets for palm-controlled fastener spinning in tight machinery housing where standard handle clearance does not exist.
Key Performance & Safety Features
- 90-Tooth Teardrop Gear Design: Delivers a precise 4-degree arc swing, allowing technicians to engage and turn fasteners where standard ratchets cannot rotate.
- Secure Locking Extension System: Spring-loaded collar locking extensions lock sockets firmly in place, eliminating dropped sockets inside deep machinery housings.
- Specialized Ratchet Configurations: Includes flex-head ratchets for angled access, multi-directional gimbal ratchets, and zero-swing thumbwheel ratchets for ultimate versatility.
- Full Polish Chrome Alloy Steel: Premium forged alloy steel construction resists rust, wipes clean of oil and grease, and stands up to harsh shop environments.
- Modular EVA Foam Storage Tray: Custom high-visibility laser-etched foam tray drops directly into tool chest drawers for instant organization and missing tool identification.
- Full Lifetime Warranty: Backed by GEARWRENCH commercial tool warranty coverage for professional peace of mind.
What's Included
- (1) 90-Tooth Flex Head Teardrop Ratchet – 7"
- (1) 90-Tooth Standard Teardrop Ratchet – 5"
- (1) 72-Tooth Gimbal Ratchet
- (1) 72-Tooth Thumbwheel Ratchet
- (1) Flex Handle Breaker Bar – 5-1/2"
- (4) Standard Extensions (2", 3", 4", 6")
- (3) Wobble Extensions (2", 4", 6")
- (3) Locking Extensions (2", 3", 6")
- (1) Universal Joint
- (1) Socket Adapter (1/4" Female x 3/8" Male)
- (1) Modular EVA Foam Storage Tray (7.16" x 13.5" x 2.0")
Technical Specifications
| Specification | Detail |
|---|---|
| Manufacturer Brand | GEARWRENCH |
| Model Number / MPN | 86520 |
| Drive Tang Size | 0.25 in (1/4 in Drive) |
| Total Piece Count | 18 Pieces (17 Tools + 1 EVA Foam Tray) |
| Ratchet Gear Tooth Count | 90 Teeth (Teardrop Ratchets) / 72 Teeth (Gimbal & Thumbwheel) |
| Ratchet Swing Arc Metric | 4 Degrees (90-Tooth Models) |
| Primary Construction Material | Heat-Treated Forged Alloy Tool Steel |
| Surface Finish & Polish | Full Polish Chrome Finish |
| Storage Container Type | Modular Chemical-Resistant EVA Foam Tray |
| Tray Dimensions (L x W x H) | 13.50 in x 7.16 in x 2.00 in (342.9 mm x 181.86 mm x 50.8 mm) |
| Universal Product Code (UPC) | 099575865206 |
| Manufacturer Tool Warranty | Full Lifetime Warranty (Hand Tools Only) |
Pro-Tip: When working in deep, obstructed engine compartments where sockets frequently slip off extensions, swap to the included GEARWRENCH locking extensions; the positive-lock collar secures sockets firmly under heavy rotational torque.
