Set of two Wahl 9 tooth drivers with the third center roller. 2.52 Pitch for a 1 1/16" to 1 1/4" Hex shaft. Part number 02-550 These are used, but still in great shape. PM me an offer they retail for $50 each.
http://www.wahlracing.com/product.php?productid=19879&cat=276&page=1&click=srclick
http://www.wahlracing.com/product.php?productid=19879&cat=276&page=1&click=srclick
