Semroc Centering Rings Fiber BT-20 to BT-58(2pk) SEM-RA-20-58
Laser-cut rings for centering a BT-20 tube inside a BT-58 tube
Tough Fiber
ID= 0.736"
OD= 1.498"
Thickness: 0.05"
Made in the USA
Warranty for 1 year from manufacturer defects
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