• User Advantages - High Strength Inserts - Impact Control Screwdriver has high durability and is ideal for heavy duty applications - Extended torsion zone provides high level of durability in long-term operation - S2 Composition Modified Steel and optimized heat treatment process offers extra durability for high performance User Advantages - High Strength Inserts - Impact Control Screwdriver has high durability and is ideal for heavy duty applications - Extended torsion zone provides high level of durability in long-term operation - S2 Composition Modified Steel and optimized heat treatment process offers extra durability for high performance Package Content