Chrome vanadium steel quenching and forging - longer life
Anti-rust
Equipped with extension rod - multi-purpose
Ergonomic handle for extra comfort - thermoplastic rubber handle, non-slip
Self-locking drive head - prevents sleeve accidentally falling off, can be unlocked button to achieve fast switching sleeve function, more relaxed, secure and efficient
Built in precision of 72 gears - CR-V steel fine chrome plating quenching, anti-rust lubrication ability, turn once to get 5° angle