Compatible with all Hapstone RS clamps. The hex screwdriver is made from high-alloy steel, heat-treated and ground for precise, durable working edges. It delivers excellent strength, break resistance, and long service life....

Compatible with all Hapstone R2 clamps. Ball-End Hex screwdriver is made from high-alloy steel, heat-treated and ground for precise, durable working edges. It delivers excellent strength, break resistance, and long service life....

The Hapstone Universal Screwdriver is a compact, durable tool designed for everyday use and full compatibility with all Hapstone sharpening system families — R2, RS, V8, and S4, as well as their...