This Matt Nickel finish (brown body) RV/Boat push button latch has a diameter of 1" (26mm) and is suitable for door panels with a thickness of 0.55inch-0.87inch (14mm-22mm), making it versatile for various applications.

2.5" (64.5mm) between mounting holes.

Push Button Drawer Lock is suitable for securing drawers, cabinets, cupboard, door, and other furniture in your RV or mobile home during travel to prevent them from opening unexpectedly.

There are two general sizes of these types of push button latches, this is the larger one.  In addition most others of the same size have a shorter latch that only extends 1/4" (6.6mm) while this one is much more secure extending 5/16" (8mm).