Jubilee® clips are Kite marked to BS5315 (1991) and the company is licensed to BS EN ISO 9001. Lloyds Register Approved 304 Stainless Steel, used for fixing flexible rubber hoses, metal tubes etc. Stainless Steel gives increased resistance to corrosion.Size OSS Adjustment 16 - 22mmAdjustment 5/8 - 7/8in