Due to a manufacturing error we are issuing an immediate recall of part no. 1010081. We apologize for the inconvenience this may have caused you. The part requires a bore to .722 in order to fit onto the 5/8 hex shaft. If you lack the tools necessary to carry out this change please notify us. We can be reached by post, phone, or email. Thank you again for your patience and understanding and as always, choose Team 254.