Sewing awl Steel. L 9.4 cm, W 4 mm Guilford Courthouse National Military Park, GUCO 551 Sewing awl Cast steel. L 9.6 cm, W 5 mm Guilford Courthouse National Military Park, GUCO 552 Sewing awl Cast steel. L 97.5, W .05, H .05 cm Guilford Courthouse National Military Park, GUCO 553 Sewing awl Handmade from a nail. Steel. L 64.5, W 6 mm Guilford Courthouse National Military Park, GUCO 554