Zinc finish.
No. T7601201: 1 2, overall length: 4, snap opening: 3 8
No. T7605801: 5 8, overall length: 4, snap opening: 3 8
No. T7605811: 3 4, overall length: 4 1 4, snap opening: 3 8
No. T7605821: 1, overall length: 4 5 8, snap opening: 15 32