Welcome to my shop This product can be given as a gift for elders, or send parents Product Name: Crutch Material: thick aluminum Walker net weight: 2.5kg Walker total length: 50cm Walker total width: 48cm Walker total height: 75-93cm Product Performance: 8 adjustable Disease: Knee injury Symptoms: Sports injuries Applicable people: not limited to children elderly and young people Buy hot: four feet stable prompt: Number of products: 1 Delivery time is 10-15 days Only sell crutches Note: due to manual measurement, there may be 1-3cm error, please prevail in kind. prompt: 1, before use should check the screws are loose, non-slip mat is solid, if loose, the installation of solid before use 2, prohibit the use of aids to climb the stairs or climb 3, pay attention to moisture