Physical Dimensions: Wt. 48 lb. 13 oz. (22.14 kg); mail sleeve (29.156.67o): L. 27 5/8 in. (70 cm); W. 13 in. (33 mm.); Diam. (outside) of links 13/32 in. (10.5 mm.); Diam. (inside) of links 5/16 in. (7.9 mm); Diam. (outside) of earlier solid links 7/16 in. (10.7 mm); Diam. (inside) of earlier solid links 1/4 in. (6.5 mm); Diam. (outside) of riveted links 13/32 in. (10.5 mm); Diam. (inside) of riveted links 9/32 in. (7.4 mm); mail sleeve (29.156.67p): L. 22 in. (56 cm); W. 13 in. (33 cm); Diam. (outside) of links 13/32 in. (10.7 mm); Diam. (inside) of links 9/32 in. (7.2 mm).