This silver feathering shaft is designed for Align brand RC models and is compatible with Align models in the 1:14, 1:12, 1:10, and 450 scales. It is suitable for electric-powered models and is a perfect replacement part for enthusiasts and collectors. The HS1251T model is ideal for RC hobbyists aged 12 and above. This item is perfect for those looking for high-quality RC parts and accessories.