Image Item No. Description  3062old  Brick, Round 1 x 1 - Solid Stud, No Bottom Lip Catalog: Parts: Brick, Round  3063  Brick, Round Corner 2 x 2 Macaroni with Stud Notch Catalog: Parts: Brick, Round  3063a  Brick, Round Corner 2 x 2 Macaroni without Stud Notch Catalog: Parts: Brick, Round  x1042b  Brick, Round Corner 4 x 2 Macaroni Double with Stud Notches Catalog: Parts: Brick, Round  x1042a  Brick, Round Corner 4 x 2 Macaroni Double without Stud Notches Catalog: Parts: Brick, Round