• Easy installation: Lightweight and easy to install and remove, does not add weight to the RC plane and offers an excellent user experience. • Spare parts: Directly replace old or damaged propellers for more stable performance. • High-quality plastic material: Made of strong and durable plastic, with craftsmanship that enhances the appearance of the aircraft. • Precise design: Perfect compatibility to match your aircraft and meet your usage needs. • Applicable models: Suitable for WLtoys XK K110, K110S, K100 RC helicopters. • Product dimensions: 11 x 2 cm (4.3 x 0.8 inches). • Product weight: Approximately 8g (0.3oz). • Product color: White.