Under the track "hidden" installation. A permanent magnet and steel intensifier plate are included along with instructions. Suitable for a variety of scales from HO to O-Scale. Track not included
Kadee #746
Type E Long Centerset Metal Couplers w/ Plastic Gearboxes
#845 O Scale Knuckle Spring for #800 #801 #804 #805 #806 & #816 Couplers
Kadee #806
Plastic Short Coupler & Draft Gear Box for P&D Hobbies F-Units
1 Pairs