The very important Shaolin Jingang Bashi 少林 金剛八式 = Vajra or Diamond Warrior set. This set later influenced other styles. A rare video of the full version of the Shaolin Jingang Ba Shi = Vajra or Diamond Warrior Eight Postures or Techniques. A set that is also practiced by Shaolin style master Zhu Tian Xi, who was a student of Shaolin master Shi Degen.
Obviously, there is a relationship with the Ba Ji Quan style, as some branches also practice Jingang Bashi set, which is very similar to this one.