LEGO Hinge Train Pantograph Shoe Locking with 2 Fingers (2922) has been used in at least 12 Lego sets over the past 10 years, since it was first used in 2003. This part can be most commonly found in Train sets where it has been included 7 times. You are most likely to find this Lego part in Black, but keep an eye out for it in Dark Red which is the rarest colour, only being found in 2 sets.
LEGO Pantograph Plate 1x4 Colour List
|Lego Colour||Lego Item Number|
|New Dark Red||4278429|