Steel Grade£º Chinese 20#. Q345B
Size(mm): 73-76.1x6-14
82.5-114.3x6-16
127.0x6-18
139.7x6-20
141.3-159.0x6-18
168.3x-6-20
177.8x6-22
193.7-219.1x7-30
244.5-273.0x8-35
298.5-323.8x10-35