- HD 1080
- Runtime: 103m.
- Status: Released
0
- Languages: zh
- Country: Hong Kong
- Director: Chang Cheh
- Stars: David Chiang Da-Wei, Ti Lung, Ching Li, Wang Chung, Chan Sing
- keywords: martial arts, kung fu, muay thai, kickboxing
- Production_studio: Shaw Brothers
- The Duel of Fists is featured in the top rankings of 1971
- #67 in Top Drama Movies of 1971
- #18 in Top Action Movies of 1971
Two men, one a businessman skilled in Kung Fu, the other a kickboxer discover they are brothers, and together, both in and out of the ring, they must face a crime syndicate. One of the first films to use the martial art of Muay Thai.