Thank you for viewing. This is a stainless steel sliding door lock for barn doors. Product Specifications: Material: Stainless steel Color: Black Product Description: 【Excellent Stainless Steel Material】The construction itself is solid and very sturdy, with a sense of weight, an exquisite and stylish design, excellent durability, and theft prevention. It's a small, sturdy, and practical lock, and the entire door lock is waterproof and rustproof. It can be installed outdoors or in bathrooms, where it may get wet. 【180-degree Door Lock】180-degree flat-angle safety lock. It cannot be opened from the outside, so it can be used as a substitute for a doorknob. Use it to lock the sliding door in the living room. 【Screw Fixation】Set of 4, can be installed by screwing only. Since it is fixed with screws, it is not suitable for those who dislike drilling holes, but it is highly recommended for those who don't mind drilling holes. 【Easy Installation】It's easy to use and very convenient, and the installation is also easy, and the lock opens and closes very smoothly. It's easy to install and use, and it closes the door securely. It might be good for crime prevention to attach two to one door. It is suitable for students and single people while protecting privacy. It is a safety lock for crime prevention measures. Door lock retrofit sliding door lock 90 degrees / 180 degrees inside lock with screws interior door key retrofit room key retrofit right angle lock stainless steel door latch sliding door entrance door key door key crime prevention auxiliary key additional key door lock easy to install theft prevention earthquake resistant privacy protection black - 180° flat angle