The PMD1100A is a 1100mm length extension unit, which is suitable for the use on the floor tom side of the kit. It includes a J30TS joint bracket, which allows you to attach this unit to another vertical post. 1100mm Curved Pipe (f38.1) x 1pc 850mm Straight pipe w/f19.1mm Joint (f38.1) x 1pc 40mm x 20mm x 450mm Square pipe x 1pc Leg Joint Bracket x 2pc Rubber foot x 2pc Cross Joint Bracket (J30TS) x 2pc Pipe Holder (J34T) x 1pc Memory Lock (A13S) x 3pc