Magswitch MagSquare 165 Magnetic Welding Square Base Clamp Holder

In this review the Magswitch MagSquare 165 is evaluated as a hands-on tool for welders and fabricators who need a compact, strong magnetic fixturing aid. The bottom line: this 2-pack is best for professionals and hobbyists who want a dependable magnetic square with a true on/off switch and a stated 150 lb holding force for aligning and securing flat or round steel pieces. It excels at quick positioning and avoids the prying and fiddling of traditional permanent magnets, making routine jigging and sheet handling noticeably faster.

Key Features

• 150 lb Holding Force: Provides a powerful grip for securing steel during tack welds, cutting and positioning so parts stay put under normal shop forces.
• On/Off Magnet Switch: The true mechanical on and off control lets the user engage and release the magnetic grip quickly for precise placement without prying.
• Multiplane Magnetic Grip: Five-sided contact areas let you align flat faces or nest round tubing for multi-angle fixturing and basic jig making.
• Pre-tapped Mounting Holes: Built-in tapped holes make it straightforward to bolt the unit to a fixture or welding table for permanent or repeatable setups.
• Easy to Clean Surface: The magnet design sheds chips and spatter when switched off so you spend less time cleaning metal debris from the unit.
• No Power Required: Operates purely magnetically with no electrical source, which keeps it simple and reliable in a busy shop environment.

Who It's For

The MagSquare 165 is aimed at professional welders, fabricators, pipefitters and serious hobbyists who need a compact fixturing tool that speeds up alignment and tack welding. It is especially useful where quick repositioning and a secure hold matter, such as shop fixtures, sheet leveling, and small jigs.

Those who primarily work with very large plate that exceeds the magnet's rated pull, or who need nonmagnetic material handling, should consider alternative clamping systems. Also, buyers expecting a large, heavy square from the photos should note that some users report the unit is smaller than anticipated despite its strong holding force.

Pros & Cons

Pros

• Compact and powerful for its size, delivering the advertised magnetic hold for routine welding and fixturing tasks.
• True on/off switch makes placement and release fast and reduces the need to pry the magnet free.
• Multiplane contact and pre-tapped holes add versatility for custom fixtures and repeatable setups.
• Stays cleaner than traditional magnets, so metal chips and spatter are less likely to cling when turned off.

Cons

• Size is reported mixed by customers; it can appear smaller than buyers expect for some applications.
• Although strong, the 150 lb rating has practical limits and larger heavy plate or awkward leverage may require supplemental clamping.

Specifications

Product type	Magnetic welding square base clamp holder (2 pack)
Holding force	150 lb
Magnet switch	True on/off mechanical switch
Contact faces	Multiplane grip on five sides
Mounting	Pre-tapped holes for bolts
Power	No electrical power required

Our Verdict

The Magswitch MagSquare 165 is a practical, time-saving magnetic square for welders and fabricators who value quick positioning and a clean, controllable grip. It is a strong small-format workholding tool with real on/off convenience and mounting flexibility, making it a worthwhile addition to most welding benches and carts when used within its holding limits.

Frequently Asked Questions

Can this be used on round tubing as well as flat plate?
Yes, the multiplane magnetic grip is designed to align and secure both flat surfaces and round tubing for basic fixturing.

Does the magnet require power or batteries?
No, the MagSquare uses a mechanical on/off magnet switch and needs no electrical power to operate.

Will metal chips stick to the magnet when turned off?
The design sheds debris when switched off more effectively than traditional permanent magnetic squares, reducing chip buildup and cleaning time.