Unique stainless steel construction with locking caster brakes. Main tube, end frames, horizontal tube and hardware are all stainless steel; 304L stainless steel construction; Passivated for maximum corrosion resistance; Capacity: 720′ of 4″ line or 400′ of 6″ line ; 4″ stainless steel caster wheels with locking brakes; Measures 6′ 7/8″ (L) x 5′ 1/12″ (W) x 5′ 5″(H).