USCamera double bar spanner wrench can be used for servicing cameras, lenses, and other fine instruments. Double bar support for easier use. Quality stainless steel construction. This tool includes 3 sets of interchangeable tips as shown. When using the pointed tips, the working distance is 11mm - 115mm. The slotted tips are 2.6mm, and 5mm wide. The Double Bar spanner is assembled in the image shown. This 22 piece stainless steel spanner wrench set includes 2 - bars, 6 - knurled screws, 2 - pointed tips, 2 - half-slot tips, and 2 - full-slot tips. The tool kit includes 2 - allen wrenches, 2 - set screws, and 4 allen head screws that can be used replace the knurled lock screws already installed. Made by USCamera China.