This kit provides replacement mounting accessories for Cisco Meraki MR45/MR46 access point, and can be used to mount to most 9/16", 15/16" or 1 ½" T-rails. The kit contains a replacement mount plate, drop ceiling clips with set screws, two 6-32x4mm (flush T-rail) screws, two 6-32x7mm screws (recessed T-rail), two rubber spacers, four wall screws, anchors and security screws (engaging the security screw prevents accidental dislodging and theft).