Cobra Golf 2021 King 3D Printed Putters

From the manufacturer

Multi Material Construction-An Oversize blade shape combines 3D printed nylon lattice insert, a 284g steel frame, a 22g aluminum cap, and 30g of tungsten in the heel and toe to provide the highest MOI for maximum stability
Sik Aluminum Face Insert-An aluminum face insert features SIK Golf proprietary Descending Loft Technology, which utilizes 4 descending lofts to ensure the most consistent and accurate roll for every style of putting stroke
Cobra Connect Grip-Each Putter is equipped with a Lamkin Smart Grip which features and embedded sensor that syncs to your smart device, Using Arcos Caddie app, users can track their putting stats and improve faster