If you are looking for a set of barn door close mechanism, then your research is here. That's because our products can meet your needs. It is made of premium materials and craftsmanship, durable and practical, and can provide you with stable working performance. Features - Color: Black. - Material: POM. - Size: 31.00X2.00X2.00cm/ 12.18X0.79X0.79inch. - Simply attach the gentle close without drilling any holes on the barn door flat track - The tightening effect can be adjusted according to the door weight, easy to use. - Hidden behind the rail, it slows the doors bringing them to a gentle stop in their final position. - Silent and absorption, so that the family will not be disturbed when the door is closed. - to upgraded your barn door hardwares, useful accessories for your door! Package list: 2 x Spring Buffer Dampers