Nifty Systems N-I Joist 480 jig.
Made for quick, precise and consistent setting out, spacing and bracing of I beam timber joists to be fixed at 480mm centres.
Specifically designed to centre on the I beam of the joist that use industry standard 9/10mm webs.
This ensures all joists are centred correctly regardless of the size of the actual flange.
This means this one jig will centres all I beam joists at 480mm.
10mm apertures.