【DURABILITY】Made of chrome-vanadium steel with chrome-plated finish for wear-resistant and durable.

【SECURE HOLD ON SOCKETS】Spring-loaded ball at male end retains sockets securely and prevents them from dropping.

【LONG ARM】Socket head lock onto ratchets and extensions, can apply more leverage and torque.

【APPLICATION】Widely used in DIY hand-making, household maintenance, and most general repairs.