Product Description
The #149 is interchangeable with the #29 and most manufacturer's Medium Underset OEM knuckle couplers. For a #39 equivalent use the #149 in a #252 Gearbox.
Package Includes:
(2) Pair #149 Whisker® Metal Couplers - Long Overset Shank
(2) Pair #242 Snap-Together Gearboxes & Lids
(2) Spare #622 Knuckle Springs
It is not recommended to use a metal coupler directly on a metal surface or in a metal draft gearbox to avoid possible electrical crossover and shorting that may cause damage. Use the provided insulated gearbox or insulated #29 coupler.