[en] A device for X-ra television testing of spiral-weld cylindrica products (spiral weldsof tubes) is described. To expand the range of standard sizes of tested products the drive rollers re composed of two support elements and drive shaft. The mentioned lements from the side o rolle table axis are convex and located onthe drive shaft symmetrically about the mentioned axis so that it is possible to change the distance between them. the deice enables o test products of various diameters to improvetest efficiency and qualty of products