The Fastrax 3-in-1 Turnbuckle Wrench 4/5/6mm FAST671 is a precision-engineered tool designed to handle the most common turnbuckle sizes on 1/10 and 1/8 scale RC cars. Whether tuning for race day or performing regular maintenance, this versatile wrench ensures fast, accurate adjustments for optimal suspension and steering performance.
With three popular sizes—4mm, 5mm, and 6mm—in one compact tool, the Fastrax FAST671 covers everything from camber links to steering rods. Its solid metal construction provides excellent grip and torque, allowing you to make quick changes even during trackside pit stops. Designed for durability, this wrench withstands frequent use while maintaining precise fit on turnbuckle flats.
Its lightweight, ergonomic shape makes it a perfect addition to any RC tool kit, helping racers and enthusiasts alike streamline their gear and save space. The Fastrax 3-in-1 Turnbuckle Wrench eliminates the need to carry multiple single-size wrenches—giving you greater convenience whether at home or at the circuit.
This tool is ideal for drivers using popular RC brands such as Traxxas, Tamiya, Xray, and others, and ensures accurate tuning for a smoother, more consistent ride. An affordable and essential upgrade for any RC hobbyist or competitive racer.
Keep your RC setup performing at its best—buy Fastrax 3-in-1 Turnbuckle Wrench FAST671 today and experience effortless adjustments every time.
Tool Type
- Fastrax 3in1 Turnbuckle Wrench FAST671
- Multisize manual adjustment tool
Compatibility
- Designed for 1/10 and 1/8 scale RC cars
- Fits steering, camber, and suspension turnbuckles
- Compatible with popular brands (Traxxas, Tamiya, Xray, …)
Sizes Included
- 4mm turnbuckles
- 5mm turnbuckles
- 6mm turnbuckles
Materials & Construction
- Precision-machined from durable metal (alloy/steel)
- Robust and corrosion-resistant finish
- Solid grip design for high torque
Dimensions
- Length: approx. 90mm
- Width: approx. 25mm at the widest point
- Thickness: approx. 4mm
Weight
Features
- 3in1 multi-size functionality—one tool for 4mm, 5mm, and 6mm needs
- Compact design ideal for pit bags and trackside use
- Precision fit reduces slipping or rounding of turnbuckles
Performance Benefits
- Speeds up steering and suspension tuning
- Improves setup efficiency during races
- Reduces gear downtime—one tool, multiple sizes
Package Contents
- 1 × Fastrax 3in1 Turnbuckle Wrench FAST671
We want to make sure your delivery goes smoothly, so here are some important details about our service:
- For orders above £120, we offer delivery to most mainland UK addresses. For orders under £120, we can still deliver to Northern Ireland and the outlying isles, as long as the item can be sent by Royal Mail, weighs less than 30kg, and fits within 61cm × 46cm × 46cm. Some highland and remote areas may carry an extra delivery charge as couriers often apply surcharges in these locations. If you live in one of these areas, feel free to contact us before ordering so we can confirm the delivery options and costs for you.
- Most of our products include delivery in the price. If your order is under £90, a small delivery fee will apply but do not worry this will always be clearly shown at checkout before you complete your purchase.
- Depending on what you choose at checkout, your order will usually be delivered either the next working day or within 2 working days. For next day delivery please place your order before 2:00pm. Orders are dispatched Monday to Friday only. Some items may take a little longer and if that is the case we will always show the expected delivery time on the product page.
- If your order includes items with different dispatch times we will normally wait and send everything together once all items are in stock. If one of the items is going to take a while we will give you the choice either wait for everything to arrive or let us send the available items now and deliver the rest later. It is up to you.
- We use trusted delivery partners to make sure your order gets to you safely and on time. We use DPD for next working day deliveries and Royal Mail for the 2 day option.
- As soon as your order is on its way we will send you a tracking number by email. If you provide your mobile number at checkout we will also send delivery updates straight to your phone so you can keep an eye on progress.
- If a product is marked as "Dispatched within 3 working days" delivery usually takes around 3 to 5 working days from when your order is placed.
- For customers in Inverness and other parts of the Scottish Highlands deliveries can take up to 2 working days even if you select next day delivery as couriers do not currently offer a guaranteed next day service to those areas.
