Ystudio Ballpoint Pen (Spring)

DESCRIPTION ystudio’s special design spring cap structure. The warmth of brass and the unique design make this a special writing instrument to look at and to use. It’s a solid brass crafted pen and is very durable. You can use it no matter while you’re working or traveling. SPECS Material：Brass Specs：9.5 x 11 x 138 mm Refills：Parker type ballpoint pen refill USE & CARE The brass finish changes with use, yet this is also its unique feature. The oxide is harmless. You can restore its original luster by wiping with copper oil. Without any surface treatment, the pen will develop a patina unique to the owner.  Please experience and enjoy this one-of-the-kind beauty of brass.