The 55778-1 is a SOLISTRAND series ring tongue terminal designed for creating reliable wire terminations. This straight-style terminal features a closed barrel, is constructed from copper with a gold (50) finish, and accommodates a wire range of 26-22 AWG. It is designed for an M4 or size 8 stud with a diameter of 4.34 mm and has a tongue material thickness of 0.46 mm. As a loose piece, non-insulated terminal, it is suitable for prototyping, repair work, or low-volume production where secure electrical connections are critical.