#11 HO Scale Bulk Pack – 20 pair #5 (NO.5®) Metal Couplers – Medium (9/32″) Centerset Shank

This industry leading coupler features an all metal standard coupler, and #634 standard centering spring. The NO.5® Magne-Matic® Metal Coupler may be mounted with the #213, #232, #234, #242 Gearboxes (not included) or with other manufacturers cast-on coupler pockets.

The 148 Whisker® Coupler is equivalent to the NO.5® Metal Coupler.

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 #28 coupler.