This is a set of two pentabobe screws used to mount the VESA mounting bracket for the iMac 21.5" late 2013, early 2013, late 2014, late 2015 and mid 2017 models.
To VESA mount any of the slimline iMacs you will need the following parts:
•VESA Backing Plate/Hinge (For relevant year)
•VESA Tongue (For relevant year)
•VESA Mounting Bracket
Please see our related products below for the additional VESA mounting parts. Alternatively Newertech
have designed their own solution to VESA mount both the 21.5" and 27" slimline ranges.