The Summit Adjustable Bobbin Kit is built from high grade stainless steel and features an adjustable tension mechanism, so you can fine-tune the amount of pressure applied to your line. The bobbin head's adjustable tension clip works with the very thinnest braids for precise bite indication, while still allowing you to clip securely onto the thickest monofilament lines. - Adjustable tension mechanism - Constructed from high grade stainless steel - Available in 6 colours - Accepts 12 x 3mm isotope - 7 inch stainless steel chain with 2 BA screw fitting and hockey stick included - Weight: 35g