The greenteQ spring accessory for DG28.S216 is designed for the retaining function of the greenteQ lever handle DG28.S216. It is made from POM with good mechanical properties, a zinc turn element with an 8 mm square spindle hole and 3 high-quality springs made of spring steel 65Mn. As a retaining spring, the greenteQ spring accessory is easy to install and remove. It is ideal for use with the greenteQ lever handle DG28.S216 without a retaining mechanism or for improving the retaining function.