Hammer - Purple is the most famous recently, and Blue might be the most famous ever. What color would you make the next Hammer Urethane ball? #HammerBowling | Facebook
𝐇𝐚𝐦𝐦𝐞𝐫𝐁𝐨𝐰𝐥𝐢𝐧𝐠 on Twitter: "The overall strength of the Purple Pearl Urethane is perfect for medium to light oil patterns. Available 10.18.16. #HammerBowling https://t.co/SN8lCnPoz5" / Twitter