POWERFUL PERFORMANCE FOR MODEL ROCKETS Introducing the Estes EST3159 D & E Engine Mount Kit, specifically designed for model rockets. This kit comes in a convenient 3-pack, ensuring you have ample resources for multiple launches. HEAVY DUTY DESIGN Engineered with heavy-duty materials, these engine mounts are built to accommodate D and E engines, providing stability and reliability during flight. COMPATIBLE WITH VARIOUS TUBES The engine mounts fittingly cater to BT-55, BT-60, and BT-80 tube specifications, making them versatile for a range of model rocket constructions. NEW PRODUCT ALERT This engine mount kit marks a fresh addition to the Estes range, ready to elevate your model rocketry experience to new heights. Ignite your model rocketry passion with the Estes D & E Engine Mount Kit, designed for those who seek to bring their creations to life in the skies.