Hollow

STAS 7941/80 ;DIN 2395/81 STAS 7941/80 ;DIN 2395/81 STAS 7657/90 Size Size Size 15 X 15 X 1.5 30 X 20 X 1.5 13.5 X 2.0 20 X 20 X 1.5 30 X 20 X 2.0 17.2 X 2.0 20 X 20 X 2.0 40 X 20 X 1.5 21.3 X 2.0 25 X 25 X 1.5 40 X 20 X 2.0 21.3 X 2.5 25 X 25 X 2.0 40 X 30 X 1.5 26.9 X 2.0 30 X 30 X 1.5 40 X 30 X 2.0 26.9 X 2.5 30 X 30 X 2.0 50 X 30 X 2.0 33.7 X 2.0 30 X 30 X 3.0 50 X 30 X 3.0 33.7 X 2.5 40 X 40 X 2.0 60 X 30 X 2.0 33.7 X 3.0 40 X 40 X 3.0 50 X 40 X 2.0 42.4 X 2.0 50 X 50 X 2.0 60 X 40 X 2.0 42.4 X 2.5 50 X 50 X 2.5 60 X 40 X 3.0 42.4 X 3.0 50 X 50 X 3.0 60 X 40 X 4.0 48.3 X 2.0 50 X 50 X 5.0 70 X 40 X 3.0 48.3 X 2.5 60 X 60 X 2.0 80 X 40 X 3.0 48.3 X 3.0 60 X 60 X 2.5 100X 50 X 3.0 57.0 X 3.0 60 X 60 X 3.0 100X 50 X 5.0 60.3 X 2.5 60 X 60 X 4.0 100X 60 X 5.0 60.3 X 3.0 70 X 70 X 3.0 100X 60 X 6.0 76.1 X 3.0 70 X 70 X 4.0 120X 60 X 5.0 76.1 X 4.0 70 X 70 X 5.0 120X 60 X 6.0 88.9 X 3.0 80 X 80 X 3.0 120X 80 X 5.0 88.9 X 4.0 80 X 80 X 4.0 120X100X 5.0 108 X 3.0 80 X 80 X 5.0 150X100X 5.0 108 X 4.0 80 X 80 X 6.0 160X 80 X 5.0 114.3X 3.0 100X100X 3.0 114.3X 4.0 100X100X 4.0 TOP 100X100X 5.0 100X100X 6.0 120X120X 4.0 120X120X 5.0 120X120X 6.0 150X150X 5.0 150X150X 6.0

40 X 40 X 2.0 60 X 30 X 2.0 33.7 X 3.0