Image Item No. Description  30360  Cylinder 3 x 6 x 2 2/3 Horizontal - Round Connections Between Interior Studs Catalog: Parts: Cylinder  41531  Cylinder 4 x 4 x 1 2/3 with Pin Holes and Center Bar Catalog: Parts: Cylinder  30562  Cylinder Quarter 4 x 4 x 6 Catalog: Parts: Cylinder