[DIY Plastic Parts Kit] Get creative with this DIY plastic parts set, including 20 self-locking ailerons and 20 small aircraft clamps, designed for KT machines and foam planes with plug-in fixed wings. [Versatile Compatibility] Suitable for various electric airplanes with plug-in four-hole ailerons, including KT machines and foam planes. [Nylon Material] The nylon ailerons feature anti-slip textures . [Built to Last] Crafted from premium plastic material, these servo parts provide reliable and long-lasting performance. [Effortless Setup] Insert-Type Four-Hole Servos make installation a breeze, saving time and effort. Material PP/Nylon Overall Height 31mm Aileron Large Card Slot Thickness 10mm Aperture 1.4mm Colour White Type Nylon Con.