Yamaha Electronic TPCL150 Ball-Joint Tom Pad Holder with Clamp The Yamaha TPCL150 is an electronic tom pad holder (ball-joint) for DTXTREME III Standard, DTX900X. This tom holder, which comes with a clamp, is perfect for attaching a tom or floor tom to your DTX drums drum kit. The ball-clamp design makes precise angular adjustments possible. The TPCL150 can be attached to any DTX drums drum rack other than a Hexrack.