Kit includes: 

1- 8x12x3.5 (Drive and Inner Pinion support both take this same size)

1- 5x9x3   (Outer pinion support under drive side spool tension control knob)

1- 5x11x4 (Spool shaft) (may or may not be used depending on model; 5x11x4 is a common bearing in many reels and nice to have on hand even if you don't use it now.

2- 3x10x4 (end cap)

Absolutely the ticket to the smoothest retrieving and best casting Shimano in your line-up! This Hyper-Speed pack turns your basic Chronarch, Curado, Metanium and most other Shimano into an ultra smooth machines chock full of ceramic bearings. You will not believe the difference!

Note:16 Metanium, Bantam takes (2) 8x12x3.5 . Please order (1) additional 8x12x3.5 for full tune on these reels.