Thomas & Betts 1277 Pipe Strap Brand: Thomas & Betts. Part Number: 1277. T&B Pipe Strap, 3/4 in Conduit, Through Hole Mount, For Use With: Rigid/IMC Conduits, Malleable Iron, Electro Galvanized, 2-9/16 in L x 11/16 in W x 1-7/32 in H. Additional Description: TB -1277 3/4IN ELECTROGALV IRON PIPE STRAP. Catalog Description: 3/4 Inch, Pipe Strap, Malleable Iron, Electro Galvanized Finish for Use with Rigid/IMC Conduit..