The 201A Adjustable Nylon 2D Armrest is a well-designed and practical chair armrest. Made of high-strength nylon, it is durable, wear-resistant and impact-resistant. The armrest supports height adjustment (lift function), which allows users to freely adjust it according to their height and seating needs. The 2D function allows fine-tuning of the left and right positions, providing more flexible support options and adapting to various usage scenarios. The 201A armrest can provide an ergonomic experience for office chairs and gaming chairs.