6" KNOCKDOWN™ Series HEAVY DUTYThe THROOM 6" KNOCKDOWN Heavy Duty target is based on our regular KNOCKDOWN Series style with only one notable difference all Heavy Duty THROOM Targets are 1 4" thicker than their KNOCKDOWN Series counterparts and are designed not to flex at all but, instead, to be knocked down while staying attached to the base. Rather than manually resetting, this 6" Heavy Duty Target can be reset with a simple string. The 6" KNOCKDOWN Heavy Duty Target is best