Part Number: 147C6-15 (Oval head steel semi-tubular .08) Part Number: 147C6-15CY (Oval head steel semi-tubular .08) Part Number: 147C6-15P (Oval head steel semi-tubular .08) Part Number: 147C6-16CC (Oval head steel semi-tubular .08) Part Number: 147C6-16CY (Oval head steel semi-tubular i/) Part Number: 147C6-16N (Oval head steel semi-tubular .08) Part Number: 147C6-16OB (Oval head steel semi-tubular .08) Part Number: 147C6-16P (Oval head steel semi-tubular .08) Part Number: 147C6-16ZC (Oval head steel semi-tubular .08) Part Number: 147C6-17 (Oval head steel semi-tubular .08) Part Number: 147C6-17N (Oval head steel semi-tubular .08) Part Number: 147C6-18 (Oval head steel semi-tubular .08) Part Number: 147C6-18CC (Oval head steel semi-tubular .08) Part Number: 147C6-18CY (Oval head steel semi-tubular .08)