4 Blade Carton of 6″ x 18″ Finish Blades These blades are made of high grade steel capable of tackling even the toughest concrete jobs. Fits: Allen, Whiteman, Bartell, Wacker If you have any questions, comments, or concerns please feel free to ask. Here at Seven States Supply we pride ourselves in providing outstanding customer service.Also be sure to check out our website, sevenstatessupply.com, for even more concrete technology solutions.