Hot Rolled Steel Channel Size Designation Mc-75 Asper Enclosed Technical Specification , Hot Rolledsteel Channel Size Designation Mc-100 As Perenclosed Technical Specification , Hot Rolled Steelchannel Size Designation Mc-150 As Per Enclosedtechnical Specification , Hot Rolled Steel Channelsize Designation Mc-175 As Per Enclosed Technicalspecification , Hot Rolled Steel Channel Sizedesignation Mc-200 As Per Enclosed Technicalspecification Quantity: 17