Winding check EC16-RSA (OD: 27mm) can be applied to end of Fuji ECS16, TCS16 which is OD 27mm.FYR, AC16-RSB (OD: 28mm) winding check is used for Fuji ACS16 only.
Model No :EC16-RSA
O.D. :27.8mm (1.1")
I.D. :18.0mm (0.70")
Color: 9 colors
Usage:Fuji ECS/TCS/ACS Reel Seat Rear