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Home > Shop > Aerospace > Rockets >X Solid-Fuel Rockets > Engine Blocks

Engine Blocks

SKU: W50069


These fiber ring engine blocks are 3/8" long with a 16 mm inner diameter and an 18 mm outer diameter. They are used as a forward engine stop when glued into any BT-20 body tube.


Type: Materials and Supplies Grades: 6-12



  • Size: 3/8" long, 16 mm inner diameter, 18 mm outer diameter
  • Quantity: pkg of 3
  • Inside Diameter: 16 mm
  • Outside Diameter: 18 mm

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