Semroc Centering Rings Fiber BT-60 to BT-80(2pk) SEM-RA-60-80
Laser-cut rings for centering an BT-60 tube inside a BT-80 tube
ID= 1.64"
OD= 2.558"
Fiber thickness= 0.05"
Warranty for 1 year from manufacturer defects
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