Part Number: 147C6C5 (Oval head copper semi-tubular i) Part Number: 147C6C6 (Oval head copper semi-tubular i) Part Number: 147C6C6N (Oval head copper semi-tubular .0) Part Number: 147C6C6T (Oval head copper semi-tubular r) Part Number: 147C6C7 (Oval head copper semi-tubular i) Part Number: 147C6C8 (Oval head copper semi-tubular i) Part Number: 147C6C9 (Oval head copper semi-tubular i) Part Number: 147C6CU15 (Oval head copper semi-tubular .0) Part Number: 147C6F10 (Oval head stain.steel semi-tub.i) Part Number: 147C6F11 (Oval head stain.steel semi-tub.i) Part Number: 147C6F115 (Oval head 300 stain steel semi-t) Part Number: 147C6F12 (Oval head stain.steel semi-tub.i) Part Number: 147C6F13 (Oval head 300 stain steel semi-t) Part Number: 147C6F14 (Oval head stain.steel semi-tub.i)