Rocket Parts > Engine Hooks & Engine Tubes   1.75'' Engine Hook for Estes mini engines For use with all 1.75" long model rocket engines. $ 0.50          Available: 56      More Information      Quantity:     2.75'' Engine Hook for Estes ''A'' thru ''D'' engines For use with all 2.75" long model rocket engines. $ 0.50          Available: 25      More Information      Quantity:     3.75'' Engine Hook for Estes ''E'' engines For use with all 3.75" long model rocket engines. Can also be used with 2.75" long model rocket engines with a 1.00" long spacer (not included). $ 0.59          Available: 61      More Information      Quantity:     Estes Engine Hook Accessory Pack Contains engine hooks for 1.75" long mini engines (1), 2.75" long regular and "D" engines (3) and 3.75" long "E" engines (2). Includes cardboard spacer to allow "D" engines to fit in "E" engine mounts. $ 4.95          Available: 2      More Information      Quantity:     18mm x 2.75'' Engine Tube for Estes ''A'' thru ''C'' engines - 10 pack This 18mm engine tube is used to hold Estes "A","B","C" engines. Same size as Estes BT20 body tube. Estes quality part - cheaper price! $ 2.89          Available: 5      More Information      Quantity:     24mm x 02.75'' Engine Tube for Estes ''C11'' and ''D'' engines - 10 pack This 24mm engine tube is used to hold Estes "C11" and "D" engines. Same size as Estes BT50 body tube. Estes quality part - cheaper price! $ 2.99          Available: 6      More Information      Quantity:     24mm x 04.00'' Engine Tube for Estes ''D'' and ''E'' engines - 8 pack This 24mm engine tube is used to hold Estes "C11", "D" and "E" engines. Same size as Estes BT50 body tube. Estes quality part - cheaper price! $ 2.59          Out of Stock      More Information 24mm x 04.00'' Heavy Wall Engine Tube for Estes ''D'' and ''E'' engines - 6 pack This 24mm heavy wall engine tube is used to hold Estes "C11", "D" and "E" engines. Stronger than regular 24mm(BT50) engine tubes! $ 2.19          Available: 2      More Information      Quantity:     24mm x 04.25'' Metal Foil HW Engine Tube for ''D'' and ''E'' engines - 6 pack This 24mm metal foil heavy wall engine tube is used to hold Estes "C11", "D" and "E" engines. Metal foil coated tubes outlasts regular 24mm(BT50) engine tubes! $ 2.39          Out of Stock      More Information