This low temperature shrink tube has a bore diameter of 1.6mm making it suitable for use with a range of hook patterns up to a size 4. It shrinks down easily with the aid of steam from a boiling kettle and once cooled retains its shape superbly It can be reheated and moulded a number of times ensuring great rig presentation. Available in Clear and Black in 1 and 2 metre pack this quality shrink tube is excellent value for money.