Swarovski Ballpoint Pens. Matrix Tennis series. SKU: 5740676. Size: 5 3/4 x 3/8 inch. Swarovski Matrix Tennis Ballpoint Pen 5740676. Inspired by the iconic Matrix Tennis jewelry collection, this elegant ballpoint pen features a slender barrel finished in a sophisticated blue metallic sheen. The design is enhanced with an inlay of Crystaltex Chaton Bandings crystals in the dazzling Aurora Borealis effect, creating a subtle spectrum of light and color. Refined and understated, yet unmistakably Swarovski, this writing instrument is completed with smooth-flowing black ink for everyday luxury. Material: Crystals, Chrome plated, Blue lacquered.