Semroc Centering Rings Fiber BT-58 to BT-80(2pk) SEM-RA-58-80
Featherweight laser-cut fiber rings which center a BT-58 tube inside a BT-80 tube
Thickness is 0.05"
ID= 1.54"
OD= 2.558"
Warranty for 1 year from manufacturer defects
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