Hettich Sensys Clip-On 110 degree Hinges with concealed Soft-Close. For door thicknesses 15-24mm, 20 lb/pr. load rating - fewer hinges needed for oversized doors. No slamming doors in hot surroundings; no doors staying open in cold conditions: Soft Close range from 41º F to 104º F. Pull-tab release to clip off. Inset, screw-on.