This is the Robart 195S Air System Service Kit. FEATURES: Restores performance to air systems worn by dirt, sand and moisture Everything needed to service a tri-gear set having three 3/8" bore, Control Valve (standard or VR), Fill Chuck, Fill Port and Check Valve INCLUDES: Needles, seals, clips, O-rings, collars and tube of grease REQUIRES: Disassembly of air system jxs 6/14/06 ir/jxs