Description of Black Diamond Lost Arrows Tough enough to withstand repeated abuse, these hot forged big wall pitons are patterned after the original designs of John Salathé and as light as possible for their given size. Features: #1 Short Thin: 5/32" (4 mm); 1 3/4" (44.4 mm); 56 g (2 oz) #2 Short Medium: 1/4" (6.3 mm); 2" (50.8 mm); 70 g (2.5 oz) #3 Short Thick: 5/16" (7.9 mm); 2 1/4" (57.1 mm); 84 g(3 oz) #4 Wedge: 3/8" (9.5 mm); 2 7/8" (73 mm); 99 g (3.5 oz) #5 Long Thin: 3/16" (4.7 mm); 3 1/4" (82.5 mm); 84 g (3 oz) #6 Long Medium: 1/4" (6.3 mm); 3 3/8" (85.7 mm); 99 g (3.5 oz) #7 Long Thick: 5/16" (7.9 mm); 3 1/2" (88.9 mm); 117 g (4.1 oz) #8 Long Dong: 9/32" (7.1 mm); 4 5/8" (117.5 mm); 122 g (4.3 oz)