1.Dia:3 1/2''--26'' 2.Type:Milled tooth & TCI 3.IADC:116,517,537,617 4.reasonable price,excellent ... ,SGS approved Rock Bit1.Type:TCI & Milled tooth2.Available size:3.Available IADC code of rock bits Milled tooth:116,117,126 ... ,127,136,137,216,217. TCI:417,437,517,527,537 ...