Based on this product's specifications, here are some alternatives and similar models
Inductive Proximity Sensor Datalogic IS-08-A1-03 M8 PNP flush (MPN 95B061121)
Summary description:
Datalogic IS-08-A1-03 is an M8 inductive proximity sensor with PNP output and flush mounting designed to detect metal targets without contact. Supplied under MPN 95B061121, it suits automation and machine safety applications where compact, non-contact metal sensing is required. Typical uses include position detection, end-of-travel sensing, and integration into control panels and conveyors.