A ball catch is used when a door is opened only by pulling or pushing it. When the door is closed, spring tension pushes the brass ball into a notched brass strike in the doorjamb.Ball Catches are typically used with Dummy Spindles. Our ball catch is one inch wide, requiring at least a one inch thick door. It comes with the two sizes of strikes shown, to allow it to be used with different types of door jams.See more items from our Locks & Latches category. Specifications Item # 7235 Finish Shown Polished Nickel Height 2.125" Width 1" Strike Widths 1.375", 1" Strike Center-to-center 1.0625" Catch Center-to-center 1.0625" Price As Shown Base Total $12.50 Grand Total $12.50