🔹Forged from high-hardness chrome vanadium steel,
🔹Honeycomb design principle: after the steel bar encloses the screw, the first bar in contact with the screw retracts into the tube, and the surrounding bars secure the screw.
🔹Widely and securely fits a variety of nuts in sizes from 7-19mm.
🔹No need to waste time searching for the right pipe end; one tool is enough for many sizes.
🔹Easy to use, even for non-professionals.