The I-Beam shape itself is arguably the strongest load bearing shape & often used in construction for support...
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600mm Aluminium I-Beam Levelexpand_more
Durable & lightweight
extruded aluminium frame
Ergonomic grip zones
Greatly improving comfort, control, handling & transport on and off the job site.
High-contrast vial surrounds
Increase bubble edge visibility in high & low lighting conditions
Impact resistant mono-vials
Offer superior durability for peace of mind
Protect the frame and vials from impacts