Decorative antique brass center-crimp tubes with hook. Approximately 9x15mm overall, 3.3mm inner diameter. These components are lead free and meet the EU Nickel Directive. Crimp tubes offer a secure and professional finish for many types of designs. Will accommodate beading chain or cord up to 3.5mm. Crimp (flatten) only the center section of the tubes, leaving the ends intact. Size and shape will vary +/- 10%.