THROOM - 8" Round Target, KnockDown SeriesThe THROOM 8 KNOCKDOWN Reactive Target and the Pivot Base it mounts on are each sold separately. When mounted on the Pivot Base and hit, this 8 KNOCKDOWN THROOM Target reacts and falls over backwards. It stays down until you reset it manually or by pulling on a string. Bullets pass through the 8 KNOCKDOWN target and the Pivot Base because they are both made of SHOOT THROO, our tough, flexible, self healing polymer. To mount a KNOCKDOWN target on its