LEGO Dark Stone Gray Technic Brick 2 x 2 with Hole and Rotation Joint Socket (48169 / 48370) | Brick Owl - LEGO Marketplace
Inventory for 66479-1: Value Pack | Brickset: LEGO set guide and database
Flix-Brix.de - LEGO® Ersatzteile, Einzelsteine, Minifiguren und Sets (FlixBrix)
LEGO 48169 4227396 Light Bluish Gray Technic, Brick Modified 2 x 2 with Pin Hole, Rotation Joint Socket | electricBricks : LEGO set and parts shop and database