I used the simple McHenry spring knuckle snap-in on my Riv HWs and tender. In addition to the KD conversion chart in the Walthers reference book,KD maintains an up to date conversion site. www.kadee.com/conv/list.htm
To get an exploded view and description go to the home page, www.kadee.com and under "Product, click on 1-79 and up pops #s 1-79 in decending order. For example, click on #78 and up pops the #78 coupler. At the present time KD only makes an off series patterned after the #5 size head.
[This message has been edited by Chuck Walsh (edited 12-28-2002).]
[This message has been edited by Chuck Walsh (edited 12-28-2002).]