ystudio's special design spring cap structure. You can feel it's uniqueness no matter from the appearance or from the way using it. It's a solid brass crafted pen and is very durable. You can use it while you're working or traveling. Use & care The color of brass would be changed by different users and various environments yet this is also its unique feature. The oxide is harmless. It would restore its original luster by wiping with Brass Polish. Without any surface treatment, we hope each product can maintain its individual marks by the constant use of the owner. Please experience and enjoy this one-of-a-kind beauty of brass. Details: Material: brass Size: 9.5 X 11 X 138 mm Refills: Parker type ballpoint pen refill (Incompatible with gel ink refill) Made in Taiwan
