GP90 Fixing to Create Overhead Wire Catenaries.

SKU # GP90, GP90-G

GP90™ is a cable attachment designed to join and tension wires in a perpendicular join to a boundary cable or bar.

Max Overhead Load

Max Overhead Load:

600 kg

Boundary Cable/ Bar Range

Boundary Cable/ Bar Range:

6 mm - 16 mm

Cross Wire Range

Cross Wire Range:

1.8 mm - 4 mm (GP90-G = 3.15 mm - 4 mm)

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Secure, Fast, and Reliable Overhead Trellising with the GP90.

The Gripple GP90 is a fast and reliable solution for securing and tensioning overhead wires in various fruit-growing environments.

Designed to clamp directly onto a boundary cable, catenary wire, or bar using its built-in locking screw, it supports wires from 1.8–4.0 mm and provides a strong, secure hold with a working load of up to 600 kg.

Perfect for creating overhead vine trellis and fruit canopy structures, the GP90 allows for rapid installation and easy, tool-assisted re-tensioning season after season using Gripple’s torque or contractor tensioning tools. For Greenhouse applications, use our GP90-G variation, which is optimised for 3.15 mm Crapal Optimum wire.

Unlike traditional u-bolts or turnbuckles, it delivers reliable, right-first-time performance and quick adjustments, helping you build effective overhead wire trellis and garden overhead trellis systems with minimal labour and downtime.

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Faster to Install

Faster to Install

Install and tension our GP90 in under a minute, ensuring projects are on track.

Easy to Use with Minimal Training

Easy to Use with Minimal Training

Our intuitive systems require little training and minimal tools.

Right First Time Results

Right First Time Results

Don’t let mistakes slow you down, the inbuilt adjustability means perfection is simple.

Tested Performance

Tested Performance

Our products are subject to rigorous testing meaning you can have confidence in our working loads.

Re-Tension Year After Year

Re-Tension Year After Year

The GP90 is a long-term solution. By using only simple tools, the GP90 can be re-tensioned whenever necessary.

Original Wire Joiner Manufacturer

Original Wire Joiner Manufacturer

Gripple are the original innovator of wire joiner solutions and is the superior choice for your projects.

Faster to Install

Faster to Install

Install and tension our GP90 in under a minute, ensuring projects are on track.

Easy to Use with Minimal Training

Easy to Use with Minimal Training

Our intuitive systems require little training and minimal tools.

Right First Time Results

Right First Time Results

Don’t let mistakes slow you down, the inbuilt adjustability means perfection is simple.

Tested Performance

Tested Performance

Our products are subject to rigorous testing meaning you can have confidence in our working loads.

Re-Tension Year After Year

Re-Tension Year After Year

The GP90 is a long-term solution. By using only simple tools, the GP90 can be re-tensioned whenever necessary.

Original Wire Joiner Manufacturer

Original Wire Joiner Manufacturer

Gripple are the original innovator of wire joiner solutions and is the superior choice for your projects.

Range Variants

The Gripple GP90 is built for a variety of overhead trellising applications. For greenhouse-specific installations we offer the GP90-G, which is optimised for 3.15 mm Crapal Optimum wire.

Product Boundary Cable/Bar Range Cross Wire Range Max. Load
GP90 6 mm – 16 mm 1.8 mm – 4 mm 600 kg
GP90-G 6 mm – 16 mm 3.15 mm – 4 mm 600 kg

How it Works:

See how our GP90 works below, or download the technical data pack for full installation guidance and specifications.

Download the Technical Data Pack Here
Step 1. Secure GP-90 to the boundary cable / bar using Hex screw.
Step 2. Feed wire through channel of GP-90.
Step 3. Tension as required with Torq tool or Contractor tool.

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Frequently Asked Questions

It installs quickly with minimal training, delivers reliable performance under load, and can be easily adjusted or re-tensioned year after year.

Primarily used in fruit growing, the GP90™ helps build overhead support structures for cloth, netting, crop wires, or fruit canopies—ideal for shading and protection.

Unlike turnbuckles or U-bolts, the GP90™ offers faster installation, easy adjustment, reliable tension under load, and repeatable performance year after year.

Find Where to Buy

Gripple products are available nationwide through our retail and distributor network.

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