Surgically sharpened on three sides, TroKar hooks penetrate faster than other hook point shapes, which increases hook-up ratios. Precisely and symmetrically ground for consistent performance. Low-profile barb is designed for easier penetration, yet delivers ultimate holding power. Tempering process specifically manipulates Q741 wire for maximum strength potential. Sizes: 6 - Per 10 4 - Per 10 2 - Per 10 1 - Per 9 1/0 - Per 8 2/0 - Per 8 3/0 - Per 7 4/0 - Per 6 5/0 - Per 5 6/0 - Per 4 7/0 - Per 3 8/0 - Per 3 9/0 - Per 3 Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Hooks.