Hex ball-end allen screwdriver set US sizes

Quality hex key screwdriver set with black ProGuard™ finish. Made of US made Protanium™ industrial high torque steel. The ergonomic handle is a 2-component design with a tough thermoplastic core and a non-slip cushioned rubber outer. The slight texture helps retain grip with oily hands. The hexagonal anti-roll feature keeps the screwdriver where you place it. All handle dimensions are proportionally sized to match the torque requirement for the specific tip size.