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
Slotted for an engine hook
I.D = 0.736
O.D = 0.950
Great idea, a real time saver and so convenient.
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
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(1pk) SEM-CR-20-50-1/8
Semroc Centering Ring Wound Craft Paper BT-2 to BT-4(1pk) SEM-CR-2-4 1 pack ID= 0.281"
Semroc Centering Ring Wound Craft Paper BT-20 to BT-50(1pk)(same CR-20-50-1/4) SEM-AR-2050 Wou…
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(1pk) SEM-CR-20-50-1/8
Semroc Centering Ring Wound Craft Paper BT-2 to BT-4(1pk) SEM-CR-2-4 1 pack ID= 0.281"
