Includes 3 replacement pins 【High-Quality Materials】The anti-slip spikes are made of TPR rubber (body) and zinc alloy (spikes). They have excellent elasticity and durability. 【Anti-Slip & Fall Prevention】The ice spikes have 10 strong claws that firmly grip the ground, preventing falls and slips in various situations such as frozen ground and snowy roads. Walk with confidence. 【Easy to Install & Portable】Installation is complete by simply hooking them onto the toe and heel. They are light, thin, and small, making them convenient to carry. 【Suitable for a Wide Variety of Shoes】Because of their simple shape, they fit various types of shoes. Suitable for business shoes, leather shoes, sneakers, short boots, etc. 【Great for Winter】Easily attachable to your existing shoes or snow boots, making them recommended for commuting and going to school on snowy days. These snow spikes are ideal for climbing, travel, sudden snowfall, steep slopes, icy roads, ice fishing, hunting, walking, jogging, hiking, snowshoeing, and more. Please be careful not to get injured when attaching or removing the spikes, as they are sharp. Do not use the spikes if they are worn down or have fallen off.