Ping G5i Anser Putter. The Ping G5 range of putters includes numerous advancements, including a dual durometer face and new alignment features. The new insert design on Ping G5 features a soft perimeter injected with a high durometer impact surface for optimal feel and sound. The insert cavity is precision machined to ensure consistency. Inertia increases an average of 10 percent across the new line and due to redistribution of weight resulting from the addition of thru-holes and sole cavities.