Diablo, 1/2" hex socket adapter. Diablo's socket adapters deliver ultimate performance and maximum durability in converting impact and standard drill drivers into socket wrenches. An ultra-strength pin prevents slippage by securely griping sockets when tightening and removing nuts and bolts. These hi-performance adapters are compatible with standard and deep well sockets and allows users to convert impact and drill drivers into square socket wrenches. Torque Resistant Design absorbs torque for less stress on the adapter and the socket. This range is Impact Strong, delivering increased shank stability and durability in cordless and corded impact and drill drivers.