Kadee #745 O Scale Type E Medium Centerset Metal Couplers with Plastic Gearboxes

#745 Type E Medium Centerset Metal Couplers with Plastic Gearboxes - Black - O Scale      This industry leading coupler features New Generation AAR Type "E" "Prototype" Head Medium Centerset Metal Couplers, and #850 O Scale centering spring and comes complete with Plastic Gearboxes and lids. The #745 Metal Coupler may be mounted with the included #817 Plastic Gearbox or #818 Metal Gearbox (sold seperatly), #819 Extended Metal Gearbox (sold seperatly). 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. #745 Coupler Instructions Two pair per package UPC: 765484007456   Made in the U.S.A. O-Scale New Generation AAR Type "E" "Prototype" Head: Simple Drop in Design Trouble Free Operation Hidden Knuckle Spring AAR Type "E" Coupler Style Compatible with Kadee® O-Scale Couplers World-Renowned Quality & Performance They just Last & Last & Last... Package Includes: (4) Each #745 Type "E" "Prototype" Metal Couplers - Medium Centerset Shank (4) Each #817 Plastic Gearboxes & lids (5) Each #850 O Scale Centering Springs #745 Metal Coupler Features: Material  -   Metal Shank Length  -   Medium (47/64") (Knuckle pulling face to center hole of Draft Gearbox) Coupler Offset  -   Centerset Centering Spring  -  #850 O Scale Centering Springs Head  -   New Generation AAR Type "E" "Prototype" Head Works In Place of  -   #740, #800, #801, #804, #805, & #816 O Scale Medium Centerset Shank Couplers Works With  -   #817, #818, #819 Draft Gearboxes #817 Plastic Draft Gearboxes & Lids Features: Material  -   Plastic Dimensions  -  25/32"L x 1/2"W x 7/32"H Works With  -   #740, #742, #745, #746, #747, #800, #801, #804, #805, & #816 Couplers Mounting Specifications: Mounting Height  -   25/32" Centerline  -   1 1/16" Trip Pin Height  -   1/16" Mounting Holes  -   2-56 Insulated Screws are the most commonly used. (Screw length will vary) Recommended Tools: #812 O Scale Coupler Height Gauge #231 Greas-em Dry Graphite Lubricant #237 Coupler Trip Pin Pliers #240 Double Headed Pin Vise #241 Dual Tool Manual Uncoupling Tool and Spring Pick #246 Tap (2-56) and Drills (#50 and #43)  WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov WARNING: CHOKING HAZARD - Small Parts - Not for children under 14 years.Kadee Quality Products Co. products are not toys and are not intended for children under 14 years old.