Nickel / Tin circle hooks looks like a Maruto BKN.
Primary use: Dunking
Size No. Hook = Height in inch. (from top of the eye to the absolute bottom curve) Smallest to Biggest
• #10 = 11/16"
• #14 = 7/8"
• #18 = 1-1/16"
• #22 = 1-1/4"
• #26 = 1-7/16"
• #30 = 1-3/4"