Brownells Carrier Key Staking Screw, Pack of 4

Designed for compatibility with the Brownells carrier key staking tool, model 080-000-638, all screw tips are hardened to a Rockwell hardness of RC 58-62 to ensure durability. However, there are instances where screws may break. Therefore, it is advisable to keep this set of four screws available as a precautionary measure.