They are straight centerset shank couplers with standard gear boxes

and the smoke box door is easily removed for access

The SceneMaster Quiet Crossing Lane Markers kit adds extra realism to modern highway crossings in minutes

Model Number: 933-3331

Used as a group or by themselves

Chooch 8655 HO/N Flex Cobblestone Details ProductID_12322186 They are straight centerset shankThis is a Chooch 8655 3. 75 x 12 Flexible Cobblestone Street Details. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Chooch Enterprises Inc Model Number: 8655 MSRP: $15. 98 Category 1: Scenery & Materials Category 2: Ballast Coal Gravel The Trainz SKU for this item is P12261163. Trainz Product Id: 12261163