Kadee #451 HO Scale, Extended Swing Gearbox & Whisker Metal Couplers, Medium Centerset Shank

Body Mount Extended Swing Gearbox and Medium (9/32") Centerset Shank Whisker® Coupler for passenger or long freight cars allowing negotiating tighter radius curves. 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. Refer to our helpful Coupler Conversion Charts to determine the appropriate coupler to use on your model. #451 Instructions One pair per package   Package Includes: (1) Pair #148 Whisker® Metal Couplers - Medium Centerset Shank (1) Pair #451 Gearboxes and lids (1) Pair Centering Bushings (1) Pair 0-80 x 1/8" Flat Machine Screws (1) Pair 2-56 x 3/8" Flat Machine Screws (1) Pair Bushing Centering Springs (1) Pair Assorted Shims (1) Extra Springs #148 Whisker® Metal Coupler Features: Material  -   Metal Shank Length  -   Medium (9/32") (center hole to back of coupler head) Coupler Offset  -   Centerset Knuckle Spring  -   #622 Gearbox Centering Spring  -   #637 Coupler Centering System  -   Whisker® Head  -   Standard Head