Horizontal positioning of the leather rings ceiling for more leveling, and the ceiling will no longer tilt Wall thickness of 1.5mm, hexagonal stamping technology: the sleeve is thickened and not easily deformed Straight concentricity, stable hexagonal handle design: high concentricity, not easy to shake High temperature quenching process, sturdy,, and rust proof: high hardness, toughness, and strong hardening Multiple specifications to choose from to meet daily needs: the ceiling will no longer tilt, Manufacturer: HZBB