This door ball catch is made of premium type 306 stainless steel and brass, adjustable stainless steel ball clasp, wear-resistant brass core, anti-corrosion for long service life. The brass latch holds the door securely closed and is nearly hidden. It is commonly used on closet doors that do not use or require a latch. The ball tension is easily adjusted to accommodate the exact amount of retention needed in any situation. Simply turn the nut to Slot at the bottom of the ball to firmly close the door. Classic design ball door hardware, fits almost all cabinets/cupboards and doors. If you are not completely satisfied, contact us immediately to resolve the issue. We know you'll love them.