This listing is for five (5) "OEM" quality needle set screws  ZM03L04N71 (416365901)  for:

Singer models: 14T957DS, 14T967DC, 14T968DC 

Pfaff models:  Coverlock 3.0, 4.0

Husqvarna Huskylock:  S21, S25

Babylock Diana  480A

Elna model 654 etc.

N.B. Old part No. M03L04H01.