Parts/Tools & workshop/Hand tools & drivers/Koswork 3.7mm Turnbuckle Wrench (3.7, 4, 5, 5.5, 7 & 8mm)
Koswork 3.7mm Turnbuckle Wrench (3.7, 4, 5, 5.5, 7 & 8mm)
Koswork

Koswork 3.7mm Turnbuckle Wrench (3.7, 4, 5, 5.5, 7 & 8mm)

Part # KOS13231-3.7
Where to buy
$6.99
AMain Hobbies
Seen Oct 12, 2026
$6.99Buy
Prices are as last seen at the store; stock is not tracked.

About this part

Turnbuckle Wrench Overview:

Simplify your RC maintenance with the Koswork Multi Turnbuckle Wrench—lightweight, durable, and packed with the sizes you need for quick, precise adjustments on nearly any 1/10 or 1/8 car.

About the Multi Turnbuckle Wrench


Versatile Multi Turnbuckle Wrench

The Koswork Multi Turnbuckle Wrench is the ultimate 1-stop solution for RC enthusiasts, designed to fit most 1/10 and 1/8 cars with ease. Crafted from lightweight yet durable metal, it includes multiple sizes—3.2, 3.7, 4, 5, 5.5, 7, and 8mm — covering popular brands like AE, Xray, Tekno, TLR, HB, Yokomo, and more. Perfect for turnbuckles, nuts, steering posts, and shock mounts, this wrench ensures smooth adjustments and reliable performance. With laser-engraved size markings and an engraved logo for quick identification, it combines convenience, strength, and precision in one essential tool.

Features:

  • One-stop solution for RC cars
  • Lightweight yet durable construction
  • Fits most 1/10 and 1/8 cars
  • Includes 3.2, 3.7, 4, 5, 5.5, 7, and 8mm sizes
  • Compatible with AE, Xray, Tekno, TLR, HB, Yokomo, and more
  • Works with turnbuckles, nuts, steering posts, and shock mounts
  • Laser-engraved size markings for easy identification
  • Engraved logo for a professional finish

Includes:

  • (1) 3.7mm Steel Turnbuckle Wrench
CA Residents Prop 65 Warning WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov Details...

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