These additional feet are used in conjunction with our linkable sneeze screens, part numbers WRIGHTS:217 & WRIGHTS:218 If purchasing multiple screens you will need to add some of these additional feet to link them together   Order the required quantity based on the quantity of screens and your desired configuration: 2 units linked side by side : Order relevant screens and 2 x Additional Feet For Linkable Screens (WRIGHTS:219) 3 units linked in a “T” configuration : Order relevant and 2 x Additional Feet For Linkable Screens (WRIGHTS:219) 4 units linked in an “X” configuration : Order relevant screens and 2 x Additional Feet For Linkable Screens (WRIGHTS:219)