designed as a combination of internal hexagon and ball point profile (hex ball point)

identified as Bahco 2-302-16-2-0

See data sheet from the manufacturer Specifications

The information is taken from the manufacturer's product list and tables

Manufacturer's Part Number: 231490

Polygriptang Isoleret Unit(s):Pcs designed as a combination ofProduct Category: Water pump pliers 37450 Water pump pliers (Professional electric) The 37450 Water pump pliers (Professional electric) from WIHA is a 250 mm variant with push button adjustment. The product is designed for mechanical gripping and holding of pipes, profiles, and nuts, and includes several features described by the manufacturer. Function and Design The 37450 Water pump pliers (Professional electric) feature a 9 step detent adjustment