08.99.18: L. 1 9/16 in. (4 cm); W. 3/8 in. (1 cm); thickness 3/8 in. (1 cm); Wt. 0.1 oz. (2.8 g); 08.99.19: L. 2 1/8 in. (5.4 cm); W. 5/8 in. (1.6 cm); thickness 5/16 in. (0.8 cm); Wt. 0.2 oz. (5.7 g); 08.99.20: L. 1 1/2 in. (3.8 cm); W. 3/8 in. (1 cm); thickness 3/8 in. (1 cm); Wt. 0.2 oz. (5.7 g)