Semroc Centering Rings Fiber BT-60 to BT-70(2pk) SEM-RA-60-70
Laser-cut rings for centering a BT-60 tube inside a BT-70 tube
ID= 1.64"
OD= 2.175"
Fiber thickness: 0.05"
Warranty for 1 year from manufacturer defects
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