Image Item No. Description  60475b  Brick, Modified 1 x 1 with Open O Clip (Vertical Grip) - Hollow Stud Catalog: Parts: Brick, Modified  26604  Brick, Modified 1 x 1 with Studs on 2 Sides, Adjacent Catalog: Parts: Brick, Modified  22885  Brick, Modified 1 x 2 x 1 2/3 with Studs on Side Catalog: Parts: Brick, Modified