Masters of Stone IV - Pure Force
- बर्ष: 1997
- देश: United States of America
- विधा: Documentary, Adventure
- स्टुडियो: Eric Perlman Productions
- कीवर्ड: sports, rocky mountains, climbing, bouldering, mountaineering, rock climbing, escalade, sierra nevada range, goat climber
- निर्देशक: Eric Perlman
- जात: Dan Osman, Ron Kauk, John Bachar, Tommy Caldwell, Alexander Huber, Chris Sharma