Soundtraxx 881006 ECO-21PNEM Econami Steam Locomotives [21 Pin NEM DCC & Digital Sound Decoder] HO Trucks Bottoming Taps are useful for

Bottoming Taps are useful for threading blind holes

5® Metal Couplers - Medium Centerset Shank (20) Pair #634 Centering Spring NO

11 9" Straight Sections

Bridge is made of pieces that are brown and black

Soundtraxx 881006 ECO-21PNEM Econami Steam Locomotives [21 Pin NEM DCC & Digital Sound Decoder] HO Trucks Bottoming Taps are useful forSoundtraxx ECO 21PNEM Econami Digital Sound Decoder Steam Locomotives 21 Pin NEM This 1 amp digital steam sound decoder simply plugs into models equipped with an NEM supported 21 pin socket. Econami provides high quality, 16 bit sound, Hyperlight lighting effects, and Hyperdrive2 advanced motor control for enhanced realism. New features include Flex Map technology, an easy to use method for assigning any function to any function key. Product