Tr100 12 inches long,7 1/4 inch blade w/leather sheath, tr107 8 inches total blade is 4 inches w/leather sheath, tr109 11.5 inches total blade 7 1/4 inches w/leather sheath, tr136 16.5 inches long blade is 10.5 inches w/leather sheath.all.kmives have never been used in original boxes.see photos really nice knives.