Atlas Stone Lightening Ball - 10" (Heavy Duty) ( 42 lb. weight loss)

10" Atlas Stone Lightening Ball ( 42 lb. weight loss). Lighten the weight of your Atlas Stone by around 42 lbs by inserting the Slater Lightening Ball in the Slater Atlas Stone Mold when you make your stone. This insert is hand crafted and designed not to devolve or melt under the heat of the concrete curing process. This way you get the strongest stone possible. One bag of stone fibers is suggested when using this product.