Northeast Fasteners Spring Hose and Tube Clamp Assortment, 120 Piece Steel Multi Diameter Color Coded Spring Action Clamp Kit with Plastic Organizer Spring Action Hose Clamp Assortment - 120 Pieces Sizes: 3/8, 7/16, 1/2, 9/16, 5/8, 11/16 inch outside diameter High quality, heat treated spring steel Includes 6 hole plastic organizer which closes securely with two snaps The handy storage organizer prevents mixing of the compartments once the box is closed