If you make a living with a level you need to buy a Crick! Our levels are easy to maintain, using a light coat of oil weekly. The craftsmanship we put into our tools is second to none and proudly made in the USA! Our 18 In. level is easy to carry and stores almost anywhere. It's also useful for those hard to reach places. It's available in both clear and green vial selections, depending on your preference. Durable and dependable is what you need; therefore, you need a Crick!