This is a 0.3 inch (7.2 mm) wide model that makes typical Shimano line rollers removable and 2 BB. Also works with core protection cancellation kit. (Fits) Universal under 5000 21 Artegra, 19 Stradic, 22 Stella etc. SW 4000 only OK. 5000 or more cannot be used as 5mm Example) Fits 22 Stella 1000 to 5000 20 Stella SW4000 is OK. Will not fit 20 Stella SW5000. However, it doesnt mean that anything can be used to make 2BBs (such as 18 Sedona, 16 Nasskie), so please refer to the parts list for this product. Shimano line rollers are all 7.2mm and will fit most reels when shim is adjusted. Please see the attached parts list, actual part pictures to determine fitment Does it fit (OO? Disclaimed. No response. There is also a special arm receiver reel, so there is an extra shim. Please make adjustments by yourself. Includes 2 Roller Bushings (Kagawa PVC Industrial) Line roller body (Kagawa PVC Industrial): 1 piece *Please refer to the title. The setting is the same, so both photos and descriptions are included. 0.3,0.6mm = Miso Width Bearings: NMB Stainless DDL740ZZ: 2 pcs Stencim (SUS304) 4-6-0.1: 3 pcs 4-6-0.4: 3 pcs 4-6-0.5: 3 pcs 4-4.6-0.8 (between bearings) See picture for installation points Arm fixed shaft male and bail female Ensures a snug fit. . Line rollers are oriented, so you can avoid mistakes. The shorter is the bail side. Does not overtighten screws. Stops the bail and arm roller cradles horizontally. It will break if you tighten it too tight. Shim setting is just for example. Different reels have individual differences, so you can adjust the position while looking at the miso position. Thats why we have added a lot of shims. After completing work, check if the line roller can rotate normally. The rattle and noise increase compared to the original settings. Use at your own risk, as this is an aftermarket product. If you put this in it, you will not be able to repair the original product. If there is a failure, please do something by yourself or to a reel repairer. We do not know any defects that come from this product. Fast Shipping