MB2020FYP018 ( Ref. no. REG-MB20-018) Material : Stainless Steel Wire 1.0m/m Color : Polished Silver Buckle : Interlock Clasp (Included) Thickness : 2.7mm Length : 110mm/85mm (Clasp included) Size : Straight Lugend 20mm, End 20mm Thickness: 2.20mm