The Fox Black Label Dinky Bobbins have a classic old-school look. They feature an injection moulded opaque coloured main body with two transparent isotope windows. Supplied on 6 inch black ball chain. A Unique indented cap is removable allowing the isotopes to be inserted and also allows you to perfectly align the line clip and isotope windows. Moulded line friendly pivoting ball line clip. Weight: 10g. Designed to work with Black Label Micro Isotopes.