1. PREMIUM MATERIAL: This bicycle quick release skewer set is made of high-quality iron, providing durability, excellent resistance to high temperatures and abrasion. 2. PACKAGE CONTENTS: This set includes a front quick release skewer (153mm) and a rear quick release skewer (193mm), making it an essential part of any bicycle repair kit. 3. EASY TO FIX AND RELEASE: These quick release skewers are easily fixed or released from the hub via a bolt, providing a convenient and labor-saving solution for cyclists. 4. LIGHTWEIGHT AND PORTABLE: These quick release skewers are ultra-lightweight, making them easier to operate and carry than other material-made skewers - perfect for cycling on the go. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.