These are precision machined from hard aluminum to insure a wobble-free, perfect fit of APC SlowFly and SPEED Props to 5mm collet prop adapters. This 5mm size matches Hyperion collect adapter HP-ADAP-30-S (short for no spinner) and HP-ADAP-30-L (long to allow spinner) for 3mm motor and gearbox shafts. For 3.2mm shafts, use HP-ADAP-32-S or -L adapter.

In Stock 1-5

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