Hettich's Silent System provides the latest in soft close technology. This innovative cushioning system ensures that doors close gently and quietly. Attachment is easy: simply clip it onto the the hinge and fix it in place with the cam screw. The cushioning effect is variable with a simple, screw adjustment on the back of the soft close attachment. Compatible with Optimat 3E hinges with 1/2" to 3/4" overlay. Install on every other hinge.