4' Silent Cat Camera Slider (TCSC IV N SS 4000) w/ - Self Locking Variable Trolley Resistance - End Blocks w/ NEW Inspection Windows - Soft Stop Dampening System - 4 Baby Pins (750) with 3/8-16 male threads - 2 Junior Pins (2K) with 3/8-16 male threads - 4 Speed Rail Starters - 4 RIBS - 1 Counterweight Tray - 2 Installation Fixtures - 1 Castle Nut - 1 Castle Nut Spanner Wrench - 1 Calzone Hard Case (ATA Approved) 1 Mitchell to 100 mm Ball Adaptor w/ 2-Way Flat Washer Originally $9,500. Single owner, DP. Brand new OEM bearings from That Cat Camera Support.