Coverstock: Recoil Reactive Factory Finish: 4000 Grit Abralon with Powerhouse Factory Finish Polish Color: Black/Red Core: High-Density 3-Piece Pancake Core RG: 16# - 2.65 15# - 2.65 14# - 2.69 13# - 2.72 12# - 2.75 11# - 2.77 10# - 2.81 Differential: 16# - .020 15# - . 020 14# - . 020 13# - . 020 12# - . 020 11# - . 020 10# - . 020 Flare Potential: Low Performance: Maximum Length w/ Moderate Backend Recommended Lane Condition: Medium-dry to Dry Oil Description: Hammer is pleased to announce the extension of our very successful Razyr performance line the Razyr Black/Red! The Razyr line has been a pleasant surprise for Hammer in 2008, exceeding our very aggressive expectations. Razyr Black/Red is a new color with a familiar design. With our proven Recoil Reactive coverstock, were retaining good performance ball motion. Were also continuing the use of our high-density 3-piece construction in the Hammer Razyr. Our new color now gives the consumer two options when theyre looking for great Hammer performance on drier lane conditions.