Centering disk to center a BT-5 size tube within a BT-20
4 rings per package
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Includes 26 Centering Rings in 5 different sizes. BT5, BT20, BT50 and BT55. Perfect for making your own engine mounts! Technical Specifications: 26 Centering Rings 8 […]
Skill Level 1 Payloader! Transparent red tube holds important insect or small biological experiments. Easy to build and fly; makes a great beginner kit. Features blow […]
Contains eight 1/8″ (3 mm), four 3/16″ (5 mm) and two 1/4″ (6 mm) launch lugs.
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