Kupo

Kupo KG040911 Quick Reverse Ear for 30mm Tube

4.5in

Secure and Quick Frame Tube LockingThe Kupo Quick Reverse Ear is designed for easy and secure locking of 30mm square frame tubes. Its quick-release clamping design allows you to lock down the frame tube in seconds without removing the frame corner. Compatibility: 30mm Square Tube Desig...

$119.95*
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*Price sourced from Amazon.com. Last updated:Aug 28, 2026.Price and availability are subject to change — details.

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Overview

Secure and Quick Frame Tube Locking

The Kupo Quick Reverse Ear is designed for easy and secure locking of 30mm square frame tubes. Its quick-release clamping design allows you to lock down the frame tube in seconds without removing the frame corner.

  • Compatibility: 30mm Square Tube
  • Design: Quick release clamping

Key Features

SPECIFICATIONS: Quick-release ear designed specifically for securing 30mm square frame tubing in rigging systems.

QUICK-RELEASE DESIGN: Allows fast locking and unlocking of frame tubes without removing frame corners, saving setup time.

SAFETY FEATURES: Integrated safety T-slotted ear helps prevent unexpected drop-off during overhead or elevated use.

COMPATIBILITY: Designed for use with 4.5in grip heads and standard 30mm square tube framing systems.

CONSTRUCTION & : Durable metal construction with Black powder-coated for long-term professional use.

Specifications

Product Type
Quick Reverse Ear
Compatibility (Tube)
30mm square frame tubing
Compatibility (Grip Head)
4.5in grip heads
Design Feature
Quick-release, Integrated safety T-slotted ear
Construction Material
Durable metal
Finish
Black powder-coated
Use Case
Rigging systems, overhead or elevated use

Frequently Asked Questions

This Quick Reverse Ear is designed specifically for securing 30mm square frame tubing in rigging systems.
The quick-release design allows for fast locking and unlocking of frame tubes without having to remove frame corners, which helps save valuable setup time.
Yes, it features an integrated safety T-slotted ear that helps prevent unexpected drop-off of equipment during overhead or elevated use.
It is designed for use with 4.5in grip heads, in addition to standard 30mm square tube framing systems.
The Kupo KG040911 is made from durable metal construction with a black powder-coated finish, built for long-term professional use.