Sputnik Tool specializes in designing and manufacturing precision tools for frame building in the bicycle industry. Their products include frame fixtures, fork fixtures, mitering jigs, small tooling, braze-on clamps, heat sinks, stem fixtures, water bottle drill jigs, wheel check tools, and head tube reamer/facer adapters. These tools are designed to make the process of building bikes and forks faster, more accurate, and efficient. Sputnik Tool's fixtures are praised for their precision, ease of use, and ability to improve the overall quality and efficiency of custom bicycle production.