Size 4 - Barbed and Barbless. Size 5 - Barbed and Barbless. Size 6 -Barbed and Barbless. The hook is attached to a Ronnie Ring Swivel which is sleeved with 1.6mm shrink tube. The subtle, curved shank creates an aggressive angle and along with the needle sharp point, leads to exceptionally good hook holds and a formidable hooked-to-landed ratio.