Brother XL-3022 horizontal spool pin with set pin and large spool cap #130012053.  Should work on other Brother models including:
CS8072, PC2800, PC3000, PC6000, PC6500, PS1000, PS1250, PS1800, PS1950, PS2100, PS2200, PS2300, PS2500, XL3010, XL3022, XL3025, XL3027, XL3030, XL3100, XL3200, XL4010, XL4020, XL4030, XL4040, XL4050, XL4060, XL6040, XL6050, XL6060, XL6452, XL6552, XL6562, XR31, XR33, XR34, XR35, XR37, XR40, XR46, XR52C & XR65T
And Babylock models:
BL1556, BL2160, BL6200, BL6300, BL6700, BL6800, BL7800, ESL, ESN (Encore), ESP (Espire)
Price includes shipping to lower 48.