16 in the bottom epoxy dam wall 18 or disc 48 fig5 shows in vertical cross section the centering fins 20 having their outer ends 22 secured to the inner wall 24 of the outer cylinder 14 in this embodiment optionally the bottom ends of the 28 of the fins are secured to the bottom inner surface of the epoxy dam transverse end wall 18 the bottom ends 28 of the fins 20 may be free that is not secured to the inner surface of the bottom end when using a disc washer 48 fig6 shows in isometric cross section the centering fins 20 having their outer edges 22 secured to the inner wall 24 of the outer cylinder 12 and their bottom ends to the bottom wall epoxy dam 3 when a disc washer 48 is used the bottom ends of the fins are free note the thickness of the individual fins collectively form a virtual cylinder that is an extension of the hole 16 see fig3 the inner ends of the fins 26 contact the surface of the rod blank 30 when the inventive universal arbor is slid down onto the rod core blank to the proper position to receive the tube 34 of the reel seat assembly see fig8 c and 9 in the upright position shown in fig1 and 6 once the inventive universal arbor 10 is slid down onto a rod blank 30 through the hole 16 it forms a cup to receive the liquid glue such as epoxy that upon curing permanently secures the arbor to the blank 30 and provides a smooth cylindrical exterior face to engage a reel seat.