The Box Section Marking Gauge by Treble Engineering is an essential tool for anyone working with box section steel.

Available in 100 mm, it allows you to mark out sections quickly, cleanly, and with total confidence.

The zero‑clearance slot is engineered for smooth, secure placement of your marker, making installation and removal effortless. Crafted with precision, this gauge delivers consistent accuracy whether you’re a seasoned professional or a hands‑on DIY enthusiast.

A versatile, reliable addition to any toolkit — built to help you achieve perfect results every time.