* Delete 2 Part 30237 Red Brick, Modified 1 x 2 with Clip (Vertical Grip) (Undetermined Type) (match ID 4)
* Add 2 Part 30237a Red Brick, Modified 1 x 2 with Split U Clip Thick (Vertical Grip) (match ID 4)
Comments from Submitter:
I own this set, bought it new and 30237a is the part included.