Hardened Steel Turnbuckle Wrench (5.5mm & 7mm) by Tekno RC

Tekno RC
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This is an optional Tekno RC Hardened Steel Turnbuckle Wrench, with a 5.5mm and 7mm end. This dual ended tool is perfect for any application requiring a 5.5mm (M3 nut) or 7mm (M4 nut) wrench. It is compact and extremely durable so it fits in the tightest spaces and can be used to really crank on those nuts! There simply is no better wrench on the market for these applications.


  • Dual ended design for many applications
  • Hardened steel CNC production
  • Black coated to help prevent rust
  • Laser etched size indications (5.5mm, 7mm)
  • Comfortable and easy to use

This product was added to our catalog on December 19, 2014.