Wired in 16 strand 0.2mm wire so these are suitable for any DC or DCC layout. Suitable for code 100 rail.
20 Heavy Duty 16/0.2mm pre wired OO gauge SL-10 fishplates DCC/DC rail joiners
Vintage Fleischmann 705 Model Railway Transformer | 14V AC 50VA | Heavy Duty
AC Delco ARZ604 Heavy Duty Inspection Camera Borescope 6B
Vintage Heavy Duty Screw Jack House Barn Railroad Jack Ratcheting Screw Jack 
antique 15" wrench C. M. & ST. P.R.Y RAILWAY INTERMEDIATE heavy duty railroad
Antique Railroad Wrench - 21" - Marked No. 2 - HEAVY DUTY STUFF. ( 3 )