Physical Dimensions: H. folded 14 3/16 in. (36.0 cm); H. open 29 1/2 in. (75 cm) W. folded 21 5/8 in. (55 cm); W. unfolded 44 1/2 in. (113 cm); Diam. (outside) of upper brayette links 15/32 in. (12.2 mm); Diam. (inside) of upper brayette links 5/16 in. (7.9 mm); Diam. (outside) of links of half-riveted section 13/32 in. (9.7 mm); Diam. (inside) of links of half-riveted section 1/4 in. (6.4 mm); Diam. (outside) of solid links 3/8 in. (9.7 mm) Diam. (inside) of solid links 1/4 in. (6.5 mm); Diam. (outside) of skirt links 13/32 in. (10.5 mm); 5/16 in. (7.6 mm); Wt. 7 lbs. (3.2 kg).