Semroc Centering Rings Fiber BT-50 to BT-101(2pk) SEM-RA-50-101
Laser-Cut Lite Plywood Rings for centering a BT-50 tube inside a BT-101 tube
ID= 0.976"
OD= 3.896"
Thickness = 0.05"
Made in the USA
Warranty for 1 year from manufacturer defects
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