Flow-In-Strength Starter-SetHarness your inner strength and willpower with our Flow In Strength Starter Set, featuring Black Obsidian and Black Onyx. These stones come packed with a punch, offering protection, resilience, focus and determination. They will empower you to overcome adversity and stay focused on achieving your goals. One size per Starter Set Our expert size advice? Focus on your main fingers the ring finger, middle finger, or index finger for the most striking