2 Pair of Propeller + 2 Pair of Variable Diameter Ring Professional Fittings of EMAX Nighthawk Pro 280 EMX - MR - 1569   Brand: EMAX Type: Propellers,Propeller,Variable Diameter Ring Package weight: 0.108 kg Package size (L x W x H): 8 x 4 x 2 cm / 3.14 x 1.57 x 0.79 inches Package Contents: 4 x Propeller, 4 x Variable Diameter Ring   Product Safety Disclaimer: We do not accept any responsibility or liability for misuse of this or any other product. All our products are extensively tested to comply with rigorous and strict QC standards. For certain products (e.g. toys, knives, etc.), we recommend proper supervision as we cannot be held liable for misuse or accidents.   Disclaimer: We do not accept any responsibility or liability for the incorrect purchase of our products. All of the products on the website are extensively tested to comply with rigorous and strict QC standards. For all of our clothing products, items and accessories, please take careful note of the precise measurements, mainly shown in centimeters (CM). As part of our company policy, we will not be able to accept returns or provide refunds for items which are the wrong size.