Accuracy begins with the right tools. With this Weems & Plath straight compass, you'll be in your element, whether you're a seasoned navigator or a pioneer charting, and you'll be on course. These 7- or 8-inch straight compasses will help you set your course effortlessly. Made of brass with polished stainless steel tips for precision and durability, the adjustable tension allows you to fine-tune it to your exact specifications. An essential navigational instrument for at sea or on land. And it looks great on your desk thanks to its sleek, elegant design.