Spanner Wrench- Spanner wrench is used for adjusting and disassembling UMI Roto-Joints. Over time the Delrin race inside the Roto-Joint may wear, the spanner wrench is used to tighten the adjusting ring applying more pressure to the delrin inside. The spanner wrench is also used to disassemble the Roto-Joint for cleaning, inspection and rebuilding.
