Shop Grainger for level accessories that can help safeguard and enhance the performance of your I-beam or box-beam level. Soft-sided carry cases with handles and shoulder straps help provide greater comfort, protection and ease of transportation. Help to extend your level in four directions with a 4-way directional adapter. Use a rafter hook to help keep your level out of the way of scaffolding and ladders. Leveling line helps to ensure ceilings are square. Help keep equipment safe and measurements accurate with level accessories from Grainger.