Metric,- Chromium-plated finish to avoid corrosion,- "SUPER DRIVE" Lobular design with no corners that eliminates stress and provides maximum strength and durability,- Heat-treated alloy steel for maximum resistance and durability,- Made of Chrome Vanadium steel
- New ergonomic bi-material handle,- Robust handle design that adapts to the hand and considerably increases torque ,- Two-component handle: High impact yellow and non-slip black,- Shank made of alloy steel with double heat treatment