Quantity Per Pack: 10 Platform Name: SRA This is a 10 pack of final screws that takes a Straumann® Torx driver. Torque is 15ncm. These screws are used on top of the Straumann Screw Retained Abutment (SRA) only. All of our screws are stress tested to 150% of the nominal torque value and can also be used as lab screws.