Thomas & Betts 1352 Pipe Spacer Brand: Thomas & Betts. Part Number: 1352. T&B Pipe Spacer, 2-1/2 to 3 in, For Use With: Rigid/IMC Conduits, Surface Mount, Malleable Iron, Hot Dipped Galvanized, 9-9/16 in L x 1-3/4 in W. Additional Description: TB -1352 2-1/2 - 3IN PIPE SPACER E-GALV IRON. Catalog Description: Pipe Spacer, Electro-galvanized Malleable Iron, Use with Conduit Sizes of 2-1/2 Inch and 3 Inch for Use with Rigid/IMC Conduit..