The Primechair Bracket attaches to the underside of the armrest utilizing the existing screw located about 1 1/2" from the end of the armrest. Remove the existing screw using an Allen wrench, insert the screw through the bracket on the counterbore side back into the armrest and retighten.
Once installed snap the SnapIt! accessory into the bracket.
Installation Instructions are included with the bracket.
Please note that the armrest in the instruction photos may be different in appearance than the armrest on your chair, however, the installation procedure is accurate.