[Material & Specifications]: Barn door stopper made of black POM plastic; hidden behind the rail, double barn door slows the doors bringing them to a soft stop in their final position; overall size: 12.60 x 0.91 x 0.79 inch; guide slide damper is high quality and universal construction [Hole Free Version Barn Door Hardware]: Hole free version barn door hardware stopper, one-way operation; with the latest design of the soft close, there is no need to drill holes on the track or decide where to install screws; simply attach the soft close to the back of the track with the hook and fasten it with the supplied screwdriver gap from rail to door [Package Contents]: 1 x Damper, 3 x Mounting Plate, 2 x Ac2 x Screw, 4 x Screws, 1 x Screwdriver: you may contact us for PDF installation instructions, or watch the video to finish the installation [Intuitive Mounting]: You will never go wrong installing our soft close cabinet drawer damper; this goes without tedious measurements, simply place it on top of the slide railing, secure it with screws and you're done [Suitable for]: Soft close door damper is suitable for standard flat rail barn door hardware, works on any position of the track, adjustable install based on different project situations, soft close damper hidden behind the rail Material: POM Plastic Maximum tension: 10-25n Service life: 50,000-8,000 times Maximum load: 20KGS-80KGS Color: Black Size: 32 x 2.3 x 2cm / 12.60 x 0.91 x 0.79 inch