Anchor Penta Modular Neon Indicator, Red, 1Module (65504)Anchor Penta Modular Neon Indicator, Red, 1Module (65504). The quality of Anchor Switches in what really helps us in staying ahead of our competitors. Anchor Penta Modular is a brand new offering from Anchor Penta, India’s first piano switch. Carrying the trust of unparalleled safety, comes with a bold yet brilliant aesthetic appeal.