Door damper set of 4 - adjustable strength from 1 to 15 kg - suitable for large cabinet doors and wardrobe doors that no longer make noise. Made of high-quality ABS plastic, injection-molded with precise molding, wear-resistant, high-temperature resistant, aging-resistant, good elasticity, and durable. Silencer core, center buffer technology, double-layer silencer, soft buffer performance, good effect, and long service life. Adjust the knob; the rear knob can adjust the length of the buffer core and control the door closing time. The sound-absorbing anti-collision buffer is made of high-quality rubber pads to ensure a long service life. It fits tightly to the cushion core and is not easy to fall off. The buffer core can be removed separately or replaced with a hidden core. The side plate should have 10 mm holes, simple and practical.