1.5" Spanner Wrench for inatallation and removal of WPA mounts and suppressors.
 
Compatible with the following:
-Recessed Direct Thread and Recessed Direct Thread-S HUB adapters
-Low Profile Plan B HUB adapter (Gen 1 and Gen 2)
-All Disruptor silencers
-Any other mounts or suppressors that use a 1.5" spanner wrench