Part Number: 109C4A18-P (Oval head 5056-h32 alum. semi-tu) Part Number: 109C4A19-6 (Oval head 5056-h32 alum. semi-tu) Part Number: 109C4A19-P (Oval head 5056-h32 alum. semi-tu) Part Number: 109C4A2 (No description) Part Number: 109C4A20-P (Oval head 5056-h32 alum. semi-tu) Part Number: 109C4A21-P (Oval head 5056-h32 alum. semi-tu) Part Number: 109C4A24-P (Oval head 5056-h32 alum. semi-tu) Part Number: 109C4A24-PSTR (Oval head 5056-h32 alum. semi-tu) Part Number: 109C4A25 (Oval head 5056-h32 alum. semi-tu) Part Number: 109C4A25-P (Oval head 5056-h32 alum. semi-tu) Part Number: 109C4A2-6 (Oval head 5056-h32 alum. semi-tu) Part Number: 109C4A2-P (Oval head 5056-h32 alum. semi-tu) Part Number: 109C4A2-PSTR (Oval head 5056-h32 alum. semi-tu) Part Number: 109C4A3 (Oval head 5056-h32 alum.semi-tub)