I am looking for Tungsten Carbide Insert for marble chain saw: Square 12,7x12,7x6mm +/-0,25 tolerance Conical 12,7x12,7x6mm +/-0,25 tolerance Material is 95% TRAVERTINE and machine are JOCKEYS, BENETTI, FAUDI GROUP etc. We need samples (300 + 300) for both to test and than good price for future. My ****address: Show More