Description
JConcepts Steel Open Double-Sided Turnbuckle Wrench Set (3–4mm / 3.63–5mm / 4–7mm)
Streamline your pit toolbox with the JConcepts Steel Open Double-Sided Turnbuckle Wrench Set — a three-piece collection engineered to cover the full range of turnbuckle, stand-off, and slipper adjustment needs across a wide variety of RC makes and models. Each wrench is double-ended, pairing two sizes in a single tool for maximum versatility with minimal bulk. The three wrenches span sizes 3–4mm, 3.63–5mm, and 4–7mm, making the set compatible with XRAY vehicles, JConcepts Fin Titanium turnbuckles, and countless other popular platforms. Constructed from high-quality steel for lasting durability, each wrench features chamfered edges for a smooth, precise fit on fasteners, a durable color treatment for quick at-a-glance identification, and engraved JConcepts branding alongside size markings so there’s never any guessing in the heat of a build.
- Double-ended design covers two sizes per wrench for maximum pit efficiency
- Three wrenches included spanning 3–4mm, 3.63–5mm, and 4–7mm
- High-quality steel construction for long-lasting durability
- Chamfered edges deliver a smooth, precise fit on turnbuckles and stand-offs
- Compatible with turnbuckles, stand-offs, and slipper applications
- Works with XRAY vehicles and JConcepts Fin Titanium turnbuckles
- Durable color treatment for easy identification in a busy pit bag
- Engraved JConcepts logo and size markings on each wrench
| Specification | Detail |
|---|---|
| Material | Steel |
| Wrench Type | Open Double-Sided |
| Sizes Included | 3–4mm, 3.63–5mm, 4–7mm |
| Compatible Applications | Turnbuckles, Stand-Offs, Slipper |
| Notable Compatibility | XRAY Vehicles, JConcepts Fin Titanium Turnbuckles |
| Markings | Engraved Size + JConcepts Logo |
| Edge Detail | Chamfered |
| Included | Qty |
|---|---|
| Turnbuckle Wrench (3–4mm) | 1 |
| Turnbuckle Wrench (3.63–5mm) | 1 |
| Turnbuckle Wrench (4–7mm) | 1 |






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