Made of , sturdy and durable materials for long lasting use. Thick and thin grinding blades on both sides provide versatile grinding options, producing a smoother wiper surface and enabling more thorough restoration of your blades. Restores a clear view and supports safe driving by helping your existing windscreen wipers perform more easily and quickly. Easy to operate, compact and portable; small enough to store in a car glove box or other small space when not in use. Use scenarios Home maintenance: during routine car care, quickly rejuvenate worn windscreen blades to improve wiping performance. On the road: keep it in the vehicle to perform a quick touch up before a rainy trip to ensure clear visibility. Seasonal readiness: before winter driving or changing weather, use to maintain blade efficiency and extend the life of your current wipers.