As the name suggests, it is a winding check that connects. It is a curved ring with outer diameters of 25mm and 27mm, respectively. Connect the carbon pipe CK25 (outer diameter 25mm) and carbon pipe CK27 (outer diameter 27mm) and use it as a rear grip, or as an example, use it as a winding check for connection at the back of the 27mm reel seat. You can also use 25mm carbon pipe (CK25).
Length : 6mm / Min O.D. : 25.0mm /Max O.D. : 27.0mm / ID : 21mm