- Country: Hong Kong
- Genres: Adventure
- Release:
- Director: Chun-Ku Lu
- Writers: N/A
- Language: Cantonese
- Stars: Collin Chou , Fong Lung (1954–2008) , Betty Yee-Ming Chan , Fai Chan , Mei-Ting Chan , Kwok-Keung Chung , Remus Kam , Xuejun Lin , Kee Yee
- Runtime: min
- Awards: N/A
- AKA: Wu di tie sha zhang , Fist of Mercy (United States of America) , Mo dik tit sa jeung (Hong Kong) , Fist of Mercy (Hong Kong) , Fist of Mercy (United Kingdom) , Fist of Mercy
- Plot:
Ngai Sing, stars as a student of the invisible iron palm who must avenge his masters unjust demise at the hands of a rival kung fu school.
- IMDB:tt8672944