Spanner Wrench

The Spanner Wrench is used to disassemble optical assemblies such as imaging lenses, beam expanders, or F-Theta lenses, and is adjustable up to 4” and down to the point where the tips touch each other. With knurled knobs for rapid adjustment, this spanner wrench features socket head cap screws allowing the arms to be set at a fixed width. Spanner Wrenches quickly and easily remove retaining rings without causing damage to your sensitive optical surfaces, making them ideal for a wide range of applications.