Magne-Matic Coupler Sample Test KitThe sample test kit contains a variety of sample couplers and other necessary components to identify and properly install Kadee® couplers on locomotives & rolling stock. Without having to purchase full size packages of Couplers, Gear Boxes & Adaptors, Springs, Washers, & Shims that may be necessary for the Coupler Conversions.Contains: HO-Scale Conversion list, 20 & 30 Series Instructions, Whisker Coupler Instructions & sample size packages of products listed below.Couplers - MetalNO.5® Medium Centerset - Metal - One Pair141 Whisker® Long Underset - Metal - One Pair142 Whisker® Medium Overset - Metal - One Pair143 Whisker® Short Centerset - Metal - One Pair144 Whisker® Short Underset - Metal - One Pair145 Whisker® Short Overset - Metal - One Pair146 Whisker® Long Centerset - Metal - One Pair147 Whisker® Medium Underset - Metal - One Pair148 Whisker® Medium Centerset - Metal - One Pair149 Whisker® Long Overset - Metal - One Pair158 Whisker® "Scale" Medium Centerset - Metal - One PairCouplers - Plastic21/31 Long Underset - Plastic - One Pair22/32 Medium Overset - Plastic - One Pair23/33 Short Centerset - Plastic - One Pair24/34 Short Underset - Plastic - One Pair25/35 Short Overset - Plastic - One Pair26/36 Long Centerset - Plastic - One Pair27/37 Medium Underset - Plastic - One Pair28/38 Medium Centerset - Plastic - One Pair29/39 Long Overset - Plastic - One PairGear Boxes & Adaptors212 Talgo Truck Adaptors: - One SprueWork with all Couplers included in Test Kit and are standard with 20-Series couplers.213 20-Series Gear Box with Sleeves: - One SprueWork with all Couplers included in Test Kit and are standard with 20-Series couplers.232 NO.5® Type Gear Box: - One SprueWork with all Couplers included in Test Kit and are standard with NO.5® couplers & 20-Series couplers.233 30-Series Gear Box: - One SprueWork with all Couplers included in Test Kit Except Whisker® Couplers and are standard with 30-Series couplers.234 Short NO.5® Type Gear Box: - One SprueWork with all Couplers included in Test Kit and are standard with short shank 20-Series & 40-Series couplers.242 Whisker® Snap-Together Gear Box: - One SprueWork with all Couplers included in Test Kit and are standard with Whisker® couplers.252 Small Whisker® Snap-Together Gear Box: - One SprueWork with Only Whisker® Couplers. The 252 is the Whisker® equivalent to the 30-Series Gear Box.Screws, Springs, Washers, & Shims208 .015" Red Fiber Washer - 10 Each209 .010" Gray Fiber Washer - 10 Each211 .010" & .015" Shims - 10 Each256 Plastic 2-56 x 1/2" Screws - 10 Each621 30-Series Torsion Spring - 10 Each622 Knuckle Springs - 10 Each634 NO.5® Type Centering Spring - 10 EachUncouplers321 Code 100 Between-The-Rails - One Pair322 Code 83 Between-The-Rails - One PairTools231 Greas-em - One Each206 Coupler Height Gauge - One Each241 Dual Tool - One Each