Semroc Centering Ring Wound Craft Paper BT-20 to BT-50(1pk)(same CR-20-50-1/4) SEM-AR-2050
Wound craft paper rings for centering a BT-20 motor tube inside a BT-50 tube
ID= 0.736
OD= 0.950
Thickness = 0.25"
Craft wound paper
Semroc Centering Ring Wound Craft Paper BT-20 to BT-50-1/4"(1pk)(same AR-2050) SEM-CR-20-50-1/4 Functions as an Engine Block for a BT-50 Tube(EB
Semroc Centering Ring Wound Craft Paper BT-20 to BT-50 Slotted(1pk) SEM-AR-2050S Wound Paper ring for centering a BT-20 tube inside a BT-50 tube
Semroc Centering Ring Wound Craft Paper BT-20 to BT-50(1pk) SEM-CR-20-50-1/8
Semroc Centering Ring Wound Craft Paper BT-50 to BT-55 Split(1pk) CR-50-55S 1 pack
Semroc Centering Ring Wound Craft Paper BT-20 to BT-50-1/4"(1pk)(same AR-2050) SEM-CR-20-50-1/…
Semroc Centering Ring Wound Craft Paper BT-20 to BT-50 Slotted(1pk) SEM-AR-2050S Wound Paper r…
Semroc Centering Ring Wound Craft Paper BT-20 to BT-50(1pk) SEM-CR-20-50-1/8
Semroc Centering Ring Wound Craft Paper BT-50 to BT-55 Split(1pk) CR-50-55S 1 pack
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