The Bachmann G and Large Scale Knuckle Couplers are great for use on your locomotives and rolling stock. Use them as replacements on Bachmann large scale freight cars, locomotives and passenger cars or on your own projects. Each coupler is molded in black to represent a real knuckle coupler. The coupler knuckle is opened by lifting a genter pin above the back of the knuckle just like the real thing. See the entire line of Bachmann G and Large Scale couplers and trucks.WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov