EYELINE GOLF BALL OF STEEL. 3 PACK The Ball of Steel is 5 times the weight of a normal golf ball. Learning to make a solid stroke with the heavy ball makes putting with a standard ball feel light and lively. This is the key to creating a compact, efficient stroke. Watch great putters and you will see this stroke. No deceleration, no jab, and no complex thinking. Simple stroke = fewer putts! .