This is an air release pen refill made of high-performance ABS and strong iron materials. It has a reasonable design and practical functions, easy to replace, convenient and practical, and can provide your air release pen with better working performance , It is convenient for it to better go to the air bubbles generated when the car is , making it more smooth and beautiful. This is a great air release pen refill, it will be your good choice of tool accessories. Features -Color: White. -Material: ABS, Iron. -Size: About 10.00X0.50X0.50cm/3.93X0.20X0.20inch. -It is made of high-performance ABS and sturdy iron material, which is durable and can meet your needs. -Effectively remove the air bubbles generated during the coating process and improve the quality and efficiency of the coating film. -This air bubble removal tool accessory has a compact size design, which is convenient for us to carry. -To provide you with a simpler way of replacement and maintenance, to bring convenience to your work. -The workmanship is fine, the texture is excellent, it has a simple replacement method and durable quality, which is very good. Package list: 2 Refills