N Scale Steel Mill Kits and Accessories; N Scale Steel Mill Kits and Accessories. 2 Beam Overhead Crane Kit. $35.00. N Scale 60" Steel Coils. $4.00. Large Crane Hook. $4.00. N Scale 84" Steel Coils. $5.00. N Scale Hot Metal Ladle. $12.00. Large Slabs. $4.00. N Scale Blooming Mill Table Drives. $5.00. N Scale Hot Slabs.