304 Stainless Steel Radiator Air Outlet Square Hole Wrench, 70.5x9.2mm

1. Suitable for standard 5x5mm square hole radiator air vents, faucets, and valve switches, used for periodically removing air from heating systems to restore heating efficiency.
2. Possesses excellent oxidation and corrosion resistance; does not easily rust even after prolonged contact with moisture.
3. Fits snugly to most standard radiator air vent valve cores.
4. Non-slip handle and hanging hole: fFeatures a round perforation at the end for easy attachment to keychains or tool hooks to prevent loss.
5. Compact and portable: long handle and lever design for effortless opening and closing, suitable for operation in confined spaces.
6. Square hole dimensions: approximately 0.5 x 0.5 cm / 0.2 x 0.2 in (5mm x 5mm)
7. Overall length: 70.5 mm / 2.78 in