Thank you for viewing. This is a stainless steel barn door sliding door lock. Product Specifications: Material: Stainless steel Color: Black Product Introduction: 【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 rust-proof. It can be installed outdoors or in bathrooms and other places where water is present. 【Door Lock 90 Degrees】90-degree safety lock, designed so it cannot be opened from the outside, can be used as a substitute for a doorknob. Use it to lock the sliding door of the living room. 【Screw Fixation】Comes with 4 fixing screws, can be installed just by screwing them in. Since it is fixed with screws, it is not suitable for those who do not want to drill holes, but it is highly recommended for those who do not mind drilling holes. 【Easy Installation】It is easy to use and very convenient, and the installation is also easy, and the opening and closing of the lock is very smooth. The construction is easy and user-friendly, and the door closes 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 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 installation theft prevention earthquake resistant privacy protection black