Tortuga Early Instruments specializes in crafting harpsichords, particularly focusing on the Ruckers 1640 Harpsichord Project. The company is dedicated to remaking and improving keyboard instruments under the guidance of experienced builders like Owen Daly. They work with a variety of materials such as basswood, cherry, ebony, and African blackwood to create high-quality keyblanks and sharps. Tortuga Early Instruments also explores innovative techniques like roasting wood to enhance the tonal quality and aesthetics of their instruments.