Spinfire Inferno with Wise Tension Head

The Spinfire Inferno with WISE Tension Head combines the proven stability of the Inferno stringing machine with the precision of the WISE 2086 electronic tension head. The result is a professional constant-pull stringing machine that delivers exceptional accuracy and consistency at a fraction of the cost of traditional electronic stringing machines.

The WISE 2086 replaces the standard manual crank mechanism with a fully electronic constant-pull tensioning system. Unlike a lock-out machine, constant pull continuously maintains the selected tension while the string stretches, resulting in more consistent string beds and improved tension accuracy. The WISE also features a linear string gripper for smooth string handling and includes the latest Diablo, which helps protect the string while reducing friction as it enters the gripper.

Built on the heavy-duty Inferno chassis, the machine features a rigid 6-point mounting system that securely supports the racquet frame during stringing while maintaining excellent access to the string bed. A large integrated tool tray keeps your essential tools within easy reach, and a turntable brake makes working on shared holes and finishing knots easier.

We supply this package with a custom height adaptor that can be installed to raise the turntable, allowing full 360° racquet rotation without the frame contacting the WISE gripper.

The latest model comes standard with the new Spinfire V50 universal clamps. These hybrid swivel clamps are designed to string tennis, squash and badminton racquets, eliminating the need to purchase separate clamp sets for different racquet types.

For faster and more convenient stringing, you can upgrade from the standard base clamps to the optional automatic base clamps when purchasing your machine. They reduce the effort required to release each clamp and help speed up the overall stringing process.

Is the Automatic Base Clamp Upgrade Worth It?

Watch this short comparison to see the difference in speed and ease of use.

• WISE 2086 electronic constant-pull tension head
• Professional electronic stringing machine
• Constant-pull tensioning for outstanding accuracy and consistency
• Linear string gripper with Diablo included
• Professional WISE foot pedal available as an optional upgrade
• Suitable for tennis, squash and badminton racquets
• Spinfire V50 universal swivel clamps included as standard
• Heavy-duty 6-point external mounting system
• Custom height adaptor included for full 360° racquet rotation
• Turntable brake
• Large integrated tool tray
• Micro-adjustable side support arms
• Universal side supports accommodate virtually all racquet frame shapes
• Includes awl, angled cutters and needle-nose pliers
• Tension adjustable in kilograms or pounds
• WISE tension head can be calibrated for long-term accuracy (calibrator sold separately)
• Weight: 26.5kg
• Machine footprint: 65cm wide × 38cm deep
• Height: 50cm
• 2 year warranty

Learn How to String a Tennis Racquet

If you are new to stringing, the videos below will guide you through the complete process, from mounting the racquet through to tying the finishing knot.

For the finishing knot, we recommend using the Pro Knot. When tied correctly, it forms a compact, professional-looking knot with the string tail tucked neatly against the frame. It is quick to tie, extremely secure and works well with all modern string types.