Bleed Key, Heating Key, Square Key, Radiator Ventilation Handle, Made Of High-Quality Stainless Steel Features: No plastic, no soft metal casting, no compromises. High-quality 304 stainless steel Also perfect for hard-to-access radiators Suitable for all standard valves with 5 x 5 mm Ultra slim and long handle Vent key for your radiator including hole for hanging External dimensions: ultra-flat 9.2 mm thick. of high-quality and high-strength 304 stainless steel. An excellent steel for tools like this In order to save costs and offer the key at a fair price, a surface finish such as varnish was deliberately omitted. This does not affect the properties of the product but a great price on the . Product size:18x0.9cm 1x handle