The 900 Series hardware provides the ultimate combination of rugged durability and innovative functionality. The 900 Series Tom Holders features Uni-Lock tilter with new advanced styling. Pearl's dual-action Uni-Lock system has full 180 degree up/down and 360 degree left/right motion for unparalleled tom positioning options and ease of use. The TH-900I/C and TH-900S/C both feature a 25mm shorter arm for use with suspension mounting systems such as the OptiMount and I.S.S. It is available in two sizes as the TH-900I/C and TH-900S/C.