This is a PRR K braced 4 track catenary structure with signal lines, grab irons & rain caps 2 PHASE Transmission brackets in HO scale. Insulators have holes at the ends for catenary/transmission wire connections This a Mainline/Highline Type structure for an interlocking with intermediate insulators, cross feeder supports and interlocking lights. Revised support insulators were added to the model for the 3d print process. Once recieved cut them off for the look of the prototype This structure is for 2" track centers ONLY