tender for set of tube expander consisting of 02 (two) different type expender (i) tube expander size:45/64 inch to dlw part no. 15510323 for nozzle sleeve bottom. qty: 01 no (ii) tube expander size: 1.13/16inch to dlw part no. 15510311 for nozzle sleeve top, qty: 01 no, make: similar to nag .