Square Tubing Center Marking Jigs (1 - 4", in 1/2" Increments)

from $5.99

Take the guesswork out of marking square tubing with the FORMWORKS Square Tubing Center Marking Jig Set. Designed for fabricators, welders, machinists, and DIY builders, this complete kit provides a fast and accurate method for locating the center of square tubing without measuring or calculating offsets.

The set includes jigs for 1", 1.5", 2", 2.5", 3", 3.5", and 4" square tubing, covering many of the most used tubing sizes in fabrication shops. Each jig slips securely over the tubing and features a precision guide hole that can be used with either a permanent marker or center punch to quickly establish an accurate center reference.

Manufactured in the USA from durable black ABS plastic, each jig is precision produced with a hole location accuracy of ±0.003 inches, providing exceptional repeatability for drilling, layout, welding, machining, and fabrication projects.

Whether you're building chassis, roll cages, trailers, gates, furniture, or custom fabrication projects, this kit helps eliminate layout errors while dramatically reducing marking time.

Features:

Complete 7-piece center marking jig set

Fits 1", 1.5", 2", 2.5", 3", 3.5", and 4" square tubing

Precision hole location accuracy of ±0.003"

Compatible with permanent markers and center punches

Eliminates repetitive measuring and layout work

Improves marking speed, accuracy, and consistency

Manufactured from durable, high-strength black ABS plastic

Designed and manufactured in the USA

Ideal for fabrication shops, welders, machinists, and DIY builders

Size:

Take the guesswork out of marking square tubing with the FORMWORKS Square Tubing Center Marking Jig Set. Designed for fabricators, welders, machinists, and DIY builders, this complete kit provides a fast and accurate method for locating the center of square tubing without measuring or calculating offsets.

The set includes jigs for 1", 1.5", 2", 2.5", 3", 3.5", and 4" square tubing, covering many of the most used tubing sizes in fabrication shops. Each jig slips securely over the tubing and features a precision guide hole that can be used with either a permanent marker or center punch to quickly establish an accurate center reference.

Manufactured in the USA from durable black ABS plastic, each jig is precision produced with a hole location accuracy of ±0.003 inches, providing exceptional repeatability for drilling, layout, welding, machining, and fabrication projects.

Whether you're building chassis, roll cages, trailers, gates, furniture, or custom fabrication projects, this kit helps eliminate layout errors while dramatically reducing marking time.

Features:

Complete 7-piece center marking jig set

Fits 1", 1.5", 2", 2.5", 3", 3.5", and 4" square tubing

Precision hole location accuracy of ±0.003"

Compatible with permanent markers and center punches

Eliminates repetitive measuring and layout work

Improves marking speed, accuracy, and consistency

Manufactured from durable, high-strength black ABS plastic

Designed and manufactured in the USA

Ideal for fabrication shops, welders, machinists, and DIY builders