KAK Industry Plan B Multitool Wrench Fits Plan B Muzzle Devices Black. Compatible with A2 (and similar) muzzle devices Plan B devices Hub mounts and most bravo mounts. Please note some suppressor manufacturers will not honor warranty claims if other brands are used with their suppressors. Specifications for KAK Industry Plan B Multitool Wrench Fits Plan B Muzzle Devices Black: Manufacturer: KAK Industry Color: Black Finish: Black Additional Features: Wrench Handle Color: Black Features of KAK Industry Plan B Multitool Wrench Fits Plan B Muzzle Devices Black: 1/2 Drive cutout for torque wrench or breaker bar" Package Contents: KAK Industry Plan B Multitool Wrench Fits Plan B Muzzle Devices Black