This Agilent Varian TriScoll 300 and 600 tool kit comes complete with all fixtures and tools required to perform any maintenance on TriScroll 300 and 600 dry scroll vacuum pumps. The center orbiting scroll of a TriScroll vacuum pump is a two stage design which needs to be correctly spaced following the rebuild procedure. Included in this set is the special spanner wrench and depth gauge needed to set the correct tip seal depth.