Semroc Centering Rings Fiber 2xBT-20 to BT-60(2pk) SEM-RA-2x20-60
Laser-cut rings for centering Two BT-20 tubes(clustered) inside a BT-60 tube
Fiber is 0.05" thick
ID= 0.736"
OD= 1.6"
Warranty for 1 year from manufacturer defects
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