Part Number: 109C4C12 (Oval head copper semi-tubular i) Part Number: 109C4C3 (Oval head copper semi-tubular i) Part Number: 109C4C3T (Oval head copper semi-tubular .0) Part Number: 109C4C4 (Oval head copper semi-tubular i) Part Number: 109C4C5 (Oval head copper semi-tubular i) Part Number: 109C4C6 (Oval head copper semi-tubular i) Part Number: 109C4C7 (Oval head copper semi-tubular i) Part Number: 109C4C8 (Oval head copper semi-tubular i) Part Number: 109C4C9 (Oval head copper semi-tubular i) Part Number: 109C4F10 (Oval head stain.steel semi-tub.i) Part Number: 109C4F100 (Oval head stainless steel semi-t) Part Number: 109C4F11 (Oval head stain.steel semi-tub.i) Part Number: 109C4F12 (Oval head stain.steel semi-tub.i) Part Number: 109C4F14 (Oval head 300 stain steel semi-t)