Semroc Centering Rings Fiber BT-55 to BT-60(2pk) SEM-RA-55-60
Laser-cut rings for centering a BT-55 tube inside a BT-60 tube
ID= 1.325"
OD= 1.60"
Fiber Thickness = 0.05"
Warranty for 1 year from manufacturer defects
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