The Bernina Steel Spool Pin BASE WHITE PLASTIC ROUND WASHER
This white plastic washer fits at the bottom of the main metal spool pin
Fits 1000,1006,1008,1010,1011,1015,1020,1030,
1031,1070,1080,1090,1120,1130,1230,1530,1630
Genuine Bernina Part 0016305001