Stainless Steel ADAPTER Connection for Apple Watch 38mm Perfect for Apple Watch & Sport & Edition version - 38mm Durable - manufactured with premium Stainless steel Adapts your regular watch band into an Apple Watch compatible band Screws and screwdriver included! Adapter caring: Pls tighten the screws in your first wearing because the screws maybe loose during the shipping. Regularly tighten the screws to ensure the screws don't fell out easily