This is a Medium height PRR K braced 4 track catenary structure with 2 phase transmission lines, signal lines, grab irons & rain caps in HO scale. Insulators have holes at the ends for catenary/transmission wire connections This a Mainline/Highline Type structure with 10" span and 4" height above the rails Look for more PRR catenary structures coming out 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