Chrome plated zamac bumper keeper is used with inswinging doors that have a surface mounted slide latch. Fits a 1-1/4"squared edge pilaster. Holes are 1-1/2" on center. (Related parts: 21-010, 21-009). Used on Flush Metal, Accurate, All American, American Sanitary, Fiat, General, Mepar, Bradley, Comres Mfg., Capitol, and Mills partitions. Please see the "Related Products" tab shown above. Please click on the pictures above for detailed measurements.