... galvanized light steel keel 1, Usage: Ceiling partion 2, Function: Fireproof, Sound-Absorbing Description of Goods:1, Name : light steel keel2 ... Other Products Available:38 light steel main channel,50 light steel main channel,60 light steel main channel,75 stud, ... 100 stud, 150 stud.50 track,75 track,100 track and 150 track light steel keel ...