This BOSS Screw Cap jig head features a screw lock built on the back side of the head, with a Jig Armor paint finish, built on a Mustad #32746 Aberdeen 90 deg. Ultra Point Hook. Available in 3 hook sizes: 5/32 oz. 2/0, 3/32 oz. 1/0 and 1/8 oz 1/0. Sold 5 per pack.