Based on this product's specifications, here are some alternatives and similar models
Punching Tool Plate Rittal AS 4055.120 for Stainless Steel, round holes M20 / PG13
Summary description:
Rittal AS 4055.120 is a punching tool plate designed for creating round M20 and PG13 cable gland holes in stainless steel enclosures and panels. Supplied in a metallic finish, this accessory enables precise sheet-metal punching for electrical and industrial enclosures, facilitating cable entry preparation and gland installation in control cabinets and housings.