Conical, ribbed connection, 6 positioned rotation inhibition. The size of the screwdriver: hex 1.27 mm. The manufacturer provides a long-term (3 years minimum) warranty for the abutments and screws, according to the warranty period provided by the dental laboratory on the toothwork. In unique cases, BIONIKA undertakes the manufacturing of unique abutments with a short lead time. The length of the screw is 6 mm.