1.8 5/8'' 219.1mm SKH437 TCI tricone rock bit 2.material:tungsten carbide 3.colour:golden 4.high ... , clay, sandstone, the conglomerate, etc.Payment termsL/C, T/T, Western unionMOQ1 PieceDelivery timeAccording to your quantityPackingCarton or wooden box or ... as your requirements About our company: we can supply rock bits, tricone bits, steel PDC bits, drill bits, TCI bits ...