Part Number: 109C4-4CY (Oval head steel semi-tubular i/) Part Number: 109C4-4N (Oval head steel semi-tubular .06) Part Number: 109C4-4P (Oval head steel semi-tubular .06) Part Number: 109C4-4ZC (Oval head steel semi-tubular .06) Part Number: 109C4-55 (Oval head steel semi-tubular .06) Part Number: 109C4-55CY (Oval head steel semi-tubular .06) Part Number: 109C4-55N (Oval head steel semi-tubular .06) Part Number: 109C4-55P (Oval head steel semi-tubular .06) Part Number: 109C4-55ZC (Oval head steel semi-tubular .06) Part Number: 109C4-5CY (Oval head steel semi-tubular i/) Part Number: 109C4-5P (Oval head steel semi-tubular .06) Part Number: 109C4-5T (Oval head steel semi-tubular .06) Part Number: 109C4-5ZC (Oval head steel semi-tubular .06) Part Number: 109C4-65 (Oval head steel semi-tubular .06)