Technic Axle Connector 2 x 3 with Ball Socket- Open Sides (32174)

Black (0), Blue (1), Bright Light Orange (191), Brown (6), Dark Blue (272), Dark Bluish Gray (72), Dark Flesh (86), Dark Gray (8), Dark Green (288), Dark Orange (484), Dark Red (320), Dark Tan (28), Dark Turquoise (3), Green (2), Light Bluish Gray (71), Light Gray (7), Lime (27), Medium Blue (73), Orange (25), Pearl Light Gray (135), Purple (22), Red (4), Sand Blue (379), Sand Green (378), Tan (19), Trans-Medium Blue (143), Trans-Orange (182), White (15), Yellow (14)