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) Part Number: 147C6-18P (Oval head steel semi-tubular .08) Part Number: 147C6-20 (Oval head steel semi-tubular .08) Part Number: 147C6-20CY (Oval head steel semi-tubular .08) Part Number: 147C6-21 (Oval head steel semi-tubular .08) Part Number: 147C6-21CC (Oval head steel semi-tubular .08) Part Number: 147C622H01 (Component)