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) Part Number: 109C4-65CY (Oval head steel semi-tubular .06) Part Number: 109C4-65P (Oval head steel semi-tubular .06) Part Number: 109C4-65ZC (Oval head steel semi-tubular .06) Part Number: 109C4-6CY (Oval head steel semi-tubular i/) Part Number: 109C4-6N (Oval head steel semi-tubular .06) Part Number: 109C4-6OB (Oval head steel semi-tubular .06) Part Number: 109C4-6P (Oval head steel semi-tubular .06) Part Number: 109C4-6ZC (Oval head steel semi-tubular .06)