ITEM NAME:M14 Triple Square XZN Socket for Mk5(2006-2009), Mk6(2010-2014), and Mk7(20 C4E4 M14 Triple Square XZN Socket for Mk5(2006-2009), Mk6(2010-2014), and Mk7(20 C4E4 This is the tool that is needed to remove the rear calipers on the Mk5(2006-2009), Mk6(2010-2014), and Mk7(2015-2018) Golf/GTI/Rabbit and Jetta (except R32 and R Models), they use a 16mm socket It is also used to remove the front struts from the steering knuckles. It has a 3/8 inch Square Drive and its short lengths allows you to easily reach behind the calipers to loosen and remove the bolts. If in doubt what size is needed, measure the bolt from the one tip to the other as shown in the picture, and that dimension is the size of the tool that is needed. Made of high quality alloy steel.Engineered specifically for use with impact tools. Increased strength, easier access to tight areas Material:steel Colour:black Package Contents: 1 * M14 Impact Socket Wrenches